|| List of recent Silica-related patents
| Method for producing monocyclic aromatic hydrocarbons|
Method for producing monocyclic aromatic hydrocarbons includes a cracking and reforming reaction step of obtaining products containing monocyclic aromatic hydrocarbons having 6 to 8 carbon atoms and a heavy fraction having 9 or more carbon atoms by bringing the feedstock oil into contact with a catalyst for producing monocyclic aromatic hydrocarbons containing crystalline aluminosilicate to cause a reaction, a catalyst separation step of separating and removing the catalyst for producing monocyclic aromatic hydrocarbons together with tricyclic aromatic hydrocarbons contained in the products from a mixture of the products and a small amount of the catalyst for producing monocyclic aromatic hydrocarbons carried by the products, both of which are derived in the cracking and reforming reaction step, and a purification and recovery step of purifying and recovering the monocyclic aromatic hydrocarbons having 6 to 8 carbon atoms which are separated from the products formed in the cracking and reforming reaction step.. .
| Method for purifying rocuronium bromide|
Provided is a method for purifying rocuronium bromide, which comprises: formulating crude rocuronium bromide to be purified into an aqueous solution, distilling off excess residue solvents at reduced pressure, absorbing by adding active carbon or silica gel, then filtrating, quick freezing the filtrate into ice, and then lyophilizing to obtain rocuronium bromide.. .
| Terminal modifier for conjugated diene polymers|
Disclosed is a terminal modifier for conjugated diene polymers. The terminal modifier has both at least two amine groups and at least one alkoxysilane group.
| High residual effect and low off-site movement auxin herbicide formulations|
The present invention generally relates to high residual effect and/or low off-site movement anionic herbicide formulations and, more particularly, auxin herbicide formulations. Generally, the formulations of the present invention include an anionic herbicide (e.g., an auxin herbicide), a particulate sorbent (e.g., silica), a cationic surfactant, and water..
| Titanium oxynitride hard mask for lithographic patterning|
A vertical stack including a dielectric hard mask layer and a titanium nitride layer is formed over an interconnect-level dielectric material layer such as an organosilicate glass layer. The titanium nitride layer may be partially or fully converted into a titanium oxynitride layer, which is subsequently patterned with a first pattern.
| Charging load for making tft glass and method of making same|
A charging load and a method of making the same wherein the charging load includes at least three diverse mineral raw materials in pre-selected percentages, the charging load being transformable into an aluminosilicate glass product by heating to a temperature of at least 1,200° c. And being a mass of structurally stabilized individual beads, where each of the beads is a composite of the at least three diverse mineral raw materials made non-friable by a partial sintering process, each bead of the mass containing a homogeneous mixture of ground and sized particles of the at least three diverse mineral raw materials, where the particles have a controlled maximum particle size of less than 30 microns and are mixed in each of the beads at the pre-selected percentages..
| Refractory vessels and methods for forming same|
The disclosure relates to methods of forming a vessel and to the resulting vessel. The vessel may be formed by providing a first fumed silica soot layer comprised of primary particles of fumed silica soot, and then providing over the first fumed silica soot layer a second fumed silica soot layer comprised of agglomerated particles formed into an agglomerated form from primary particles of fumed silica soot.
| Highly reflective, hardened silica titania article and method of making|
The present disclosure is directed to improved silica-titania glass articles intended for use in euv or other high energy reflective optic systems, and to a process for producing such improved silica-titania articles. The improved silica-titania glass articles provide a more stable surface for the coatings that are used in the making of reflective optical elements for euv applications.
| Cement and skinning material for ceramic honeycomb structures|
Skins and/or adhesive layers are formed on a porous ceramic honeycomb by applying a layer of a cement composition to a surface of the honeycomb and firing the cement composition. The cement composition contains inorganic filler particles, a carrier fluid and a clay material rather than the colloidal alumina and/or silica materials that are conventionally used in such cements.
| Composition for oral cavity|
An oral composition includes high stain removal efficiency relative to its abrasive ability. The oral composition contains fused silica and a dental abrasive.
| Fiber optic connector|
A fiber optic connector includes a ferrule. The ferrule includes an inner piece including silica and an outer piece including ceramic.
| Activated flotation circuit for processing combined oxide and sulfide ores|
A method of extracting targeted metallic minerals from ores that contain sulfide metallic minerals along with oxide minerals, carbonate minerals, silicate minerals, halide minerals or combinations thereof. In the method, an ore slurry containing the metallic mineral in oxide, carbonate, silicate or halide form is provided.
A proppant includes a particle and a hybrid coating disposed about the particle. The particle is present in an amount of from about 90 to about 99.5 percent by weight based on the total weight of the proppant and the hybrid coating is present in an amount of from about 0.5 to about 10 percent by weight based on the total weight of the proppant.
| Enhanced crude oil recovery using metal silicides|
Enhanced oil recovery techniques include introduction of alkali metal silicides into subterranean reservoirs to generate hydrogen gas, heat, and alkali metal silicate solutions in situ upon contact with water. The alkali metal silicides, such as sodium silicide, are used to recover hydrocarbons, including heavier crudes where viscosity and low reservoir pressure are limiting factors.
| High performance tyre for vehicle wheels|
A tyre for vehicle wheels, includes a carcass structure including at least one carcass layer, a belt structure applied in a radially outer position with respect to the carcass structure, a tread band applied in a radially outer position with respect to the belt structure, and at least one layer of elastomeric material applied in a radially inner position with respect to the tread band; in which the at least one elastomeric material layer includes inorganic fibres of magnesium and/or aluminium silicates of nanometric dimensions.. .
| Production of thermal insulation products|
Methods of making thermal insulation products are provided, one method including the steps of sealing a support material (e.g., a nanoporous core such as fumed silica, an aerogel powder, etc.) and at least one vapor (e.g., steam) within an interior portion of a substantially gas-impermeable envelope (e.g., a metallic and/or polymeric film), and then condensing at least a portion of the vapor after the sealing step to reduce the pressure within the gas-impermeable envelope from a first pressure before the condensing to a lower second pressure after the condensing. The disclosed methods limit or eliminate the need for mechanism pumping mechanisms to drawing the vacuum within the products, drying of the core before the sealing, and the like..
|Aromatic transformation using uzm-39 aluminosilicate zeolite|
Where “n” is the mole ratio of na to (al+e), m represents at least one meta, “m” is the mole ratio of m to (al+e), “k” is the average charge of the metal or metals m, t is the organic structure directing agent or agents, “t” is the mole ratio of n from the organic structure directing agent or agents to (al+e), and e is a framework element such as gallium. The process involves contacting at least a first aromatic with the coherently grown composites of tun and imf zeotypes to produce at least a second aromatic..
Wherein the silica-supported catalyst has an average pore size of 60 to 120 nm, a total pore volume of 0.15 cm3/g or more, a specific surface area of 5 to 25 m2/g, and a crystallite size of 40 to 250 nm as determined from half width of a (001) peak by x-ray diffraction.. .
|Composite and method for producing the same, rubber composition, and pneumatic tire|
The present invention aims to provide a composite including a rubber component in which surface-treated silica with a small particle size is uniformly dispersed, and a method for producing the composite. The present invention also aims to provide a rubber composition including the composite, the rubber composition capable of achieving both fuel efficiency and abrasion resistance while having excellent processability.
|Rubber composition for tires, and pneumatic tire|
Provided are: a rubber composition for tires capable of improving fuel economy, wet grip performance, and abrasion resistance; and a pneumatic tire including the same. Included is a rubber composition for tires including: a diene polymer; silica; and a liquid resin having a softening point of −20 to 20° c., the diene polymer being a modified diene polymer obtained by reacting components (a) and (b), the liquid resin being present in an amount of 3-40 parts by mass per 100 parts by mass of the rubber component, the component (a) being an active alkali metal-terminated conjugated diene polymer obtained by polymerizing a conjugated diene monomer alone or with an aromatic vinyl monomer, in the presence of a component (c) the component (b) being a modifier containing a functional group, the component (c) being a chemical species obtained by reacting an organic alkali metal compound and a compound of formula (1) below..
|Vehicle tyre having a tread comprising a heat-expandable rubber composition|
A vehicle tyre, usable in winter weather, includes a tread formed of a rubber composition that is heat-expandable when in an unvulcanized state, and expanded when in a vulcanized state. When unvulcanized, the composition includes a diene elastomer, such as natural rubber and/or a polybutadiene; more than 50 phr of a reinforcing filler, such as silica and/or carbon black; between 5 and 25 phr of a sodium- or potassium-including carbonate or hydrogen carbonate; and between 2 and 20 phr of a carboxylic acid having a melting point between 60° c.
Compositions are provided, the compositions comprising: a silica compound containing at least one nitrogen atom; and a carboxylated polymer containing at least one nitrogen atom. The compositions may be useful to control algal growth, including harmful algal blooms (hab)..
|Process for obtaining a catalyst composite|
B). Contacting the molecular sieve with a metal silicate different from said molecular sieve comprising at least one alkaline earth metal and one or more of the following metals: ga, al, ce, in, cs, sc, sn, li, zn, co, mo, mn, ni, fe, cu, cr, ti and v, such that the composite comprises at least 0.1 wt % of silicate..
|Tuning tzc by the annealing of ultra low expansion glass|
The disclosure describes a silica-titania glass having a selected titania content in the range of 5-20 wt % that has zero crossover temperature (tzc) associated with the selected titania content withing this range, and the tzc is adjustable by ±10° c. Or less.
|Porous catalytic substrate|
Some embodiments in the present disclosure generally relate to catalytic silica-polyvinyl alcohol composites, silica structures therefrom, and/or microreactors therefrom. Some embodiments in the present disclosure generally relate to porous substrates that can have at least one pore with a catalyst associated with the inside of the pore..
|Composition and method for polishing polysilicon|
The invention provides a polishing composition comprising silica, an aminophosphonic acid, a polysaccharide, a tetraalkylammonium salt, a bicarbonate salt, an azole ring, and water, wherein the polishing composition has a ph of about 7 to about 11. The invention further provides a method of polishing a substrate with the polishing composition..
|Glass neck adapter for plastic beverage container|
A glass neck adapter can include universal threads to screw onto a standard conventional plastic beverage container or bottle. The glass neck adapter can be attached on a plastic bottle to allow a person drinking from the plastic bottle to feel the sensation of drinking out of a glass bottle when the lips of the drinker contact the glass mouth of the neck adapter mounted on the plastic bottle.
|Strontium and cesium specific ion-exchange media|
This invention is directed to amorphous and crystalline titanosilicate materials that have an unexpected selectivity for cesium and strontium, especially in the presence of high levels of competing ions. The titanosilicates of this invention show very high, unexpected selectivity in the presence of such competing cations such as sodium, calcium, magnesium and potassium, such as present in seawater..
|Hydrocarbon oil desulfurization adsorbing agent, production and use thereof|
This disclosure provides an adsorbing agent which, on the basis of the total weight of the adsorbing agent, comprises the following components: 1) a si—al molecular sieve having a bea structure, in an amount of 1-20 wt %, 2) at least one binder selected from the group consisting of titanium dioxide, stannic oxide, zirconium oxide and alumina, in an amount of 3-35 wt %, 3) a silica source, in an amount of 5-40 wt %, 4) zinc oxide, in an amount of 10-80 wt %, and 5) at least one promoter metal selected from the group consisting of cobalt, nickel, iron and manganese, based on the metal, in an amount of 5-30 wt %, wherein at least 10 wt % of the promoter metal is present in a reduced valence state. The adsorbing agent exhibits improved activity and stability, and at the same time, is capable of significantly improving the octane number of the product gasoline..
|Moisture barrier layer dielectric for thermoformable circuits|
This invention is directed to a polymer thick film moisture barrier layer dielectric composition comprising thermoplastic urethane resin, thermoplastic phenoxy resin, diacetone alcohol and fumed silica. Dielectrics made from the composition can be used in various electronic applications to protect electrical elements and particularly to insulate and protect both the conductive thermoformable silver above it and the polycarbonate substrate below it in capacitive switch applications.
|Moisture barrier layer dielectric for thermoformable circuits|
This invention is directed to a polymer thick film moisture barrier layer dielectric composition comprising thermoplastic urethane resin, thermoplastic phenoxy resin, diacetone alcohol and fumed silica. Dielectrics made from the composition can be used in various electronic applications to protect electrical elements and particularly to insulate and protect both the conductive thermoformable silver above it and the polycarbonate substrate below it in capacitive switch applications..
|Method for producing investment castings|
The liquid polymer is a polymer of the pag or pvp, or acr, or peo type. The ceramic moulds made of aluminosilicate, or high alumina refractory materials, especially based on synthetic sand, for example molochite, are used..
|Method for producing solar cell module, solar cell backside sealing sheet, and solar cell module|
A method of producing a solar cell module including forming a silicon oxide layer by coating a paint containing at least one of silicate hydrolysis products and silica particles on at least one side of a base film; and adhering said silicon oxide layer with a silicone sealing material layer.. .
|Silica reduction cover|
A filter used to reduce the emission of silica particles used in hydraulic fracturing. The silica reduction cover is a custom fit filter installed onto vent hatches of proppant storage trailers.
|Method for improving light gauge building materials|
A process is described in which non-structural galvanized steel studs are sequentially chemically treated with a permanganate coating to improve oxidation resistance, followed by treatment with a silicate coating sealant, optionally with zinc surface activation using an acid treatment.. .
|Nano-leucite for slow release nitrogen fertilizer and green environment|
To compete with the increasing global food demand, it is necessary to increase the food production. Fertilizers which are in practice now a days has major disadvantage that 50% of nutrient contents loss due to leaching and also leads to ground water contamination.
|Methods for improving the flowability of asphalt particles|
The flowability of asphalt particles may be improved by mixing the particles with comprises further compound comprises portland cement, calcium aluminate cement, fly ash, blast furnace slag, lime/silica blends, silica, ground limestone, cement kiln dust, chemically bonded phosphate ceramics, zeolites, geopolymers, cellulose, starch, calcium carbonate, colloidal silica, aluminosilicates, and combinations thereof. Treating the asphalt particles with at least one of these compounds inhibits caking during storage and enhances transportability..
|Transdermal dosage form for low-melting point active agent|
The hydrophobic reservoir layer may serve as a skin-contacting adhesive layer. Alternatively, a release-controlling adhesive layer may serve as the skin-contacting adhesive layer.
|Rubber composition and pneumatic tire|
Provided are: a rubber composition that improves fuel economy and wet grip performance together while maintaining the balance between them; and a pneumatic tire whose component (in particular tread) includes the rubber composition. The invention relates to a rubber composition containing: a rubber component containing a copolymer; silica; and a diene rubber gel bearing a hydroxyl group, wherein the copolymer is obtained by copolymerization of 1,3-butadiene, styrene, and a compound represented by formula (i) below, has an amino group at a first chain end and a functional group containing at least one atom selected from the group consisting of nitrogen, oxygen, and silicon at a second chain end, and has a weight average molecular weight of 1.0×105-2.5×106, and the diene rubber gel has a tg of −40 to −10° c., and is present in an amount of 10-30 parts by mass per 100 parts by mass of the rubber component;.
|Method for producing rubber composition|
The present invention provides a method for producing a rubber composition containing a rubber component (a) that contains a modified conjugated diene-based polymer obtained by using a modifying agent that has a functional group compatible with silica, a filler containing an inorganic filler (b), a silane coupling agent (c), and at least one promoter (d) selected from guanidines, sulfenamides, thiazoles, thiurams, thioureas, dithiocarbamic acid compounds and xanthogenic acid compounds, wherein the rubber composition is kneaded in plural stages, and in the first stage (x) of kneading, the rubber component (a), all or a part of the inorganic filler (b), all or a part of the silane coupling agent (c) and the promoter (d) are added and kneaded.. .
|Surface modified silica by alkyl sulfonated tetrazole compound, preparing method thereof, and resin composition containing the same|
This invention relates to a surface modified silica by an alkyl sulfonated tetrazole compound, a preparation method thereof, and a resin composition containing the same. The silica according to this invention can exhibit superior adhesion to a metal..
|Controlling a release of a cleaning agent with silica particles|
Compositions and apparatus are provided for controlling a release of a cleaning agent with silica particles. Silica particles disposed within the gel composition and are configured to at least partially dissolve in an alkaline environment.
|Treated geothermal brine compositions with reduced concentrations of silica, iron and manganese|
This invention relates to treated geothermal brine compositions containing reduced concentrations of iron, silica, and manganese compared to the untreated brines. Exemplary compositions contain a concentration of manganese less than 10 mg/kg, a concentration of silica ranging from less than 10 mg/kg, and a concentration of iron less than 10 mg/kg, and the treated geothermal brine is derived from a salton sea geothermal reservoir..
|Functionalized silicate nanoparticle composition, removing and exfoliating asphaltenes with same|
Removing an asphaltene particle from a substrate includes contacting a silicate nanoparticle with a chemical group to form a functionalized silicate nanoparticle, the chemical group includes a first portion; and a second portion comprising an aromatic moiety, the first portion being bonded to the silicate nanoparticle; contacting the asphaltene particle with the functionalized silicate nanoparticle, the asphaltene particle being disposed on the substrate; interposing the functionalized silicate nanoparticle between the asphaltene particle and the substrate; and separating the asphaltene particle from the substrate with the functionalized silicate nanoparticle to remove the asphaltene particle. A composition includes a functionalized silicate nanoparticle comprising a reaction product of a silicate nanoparticle and an aromatic compound; and a fluid.
|Preparation of silica-alumina composition|
(z) recovering a precipitate solid from the mixture obtained in step (y) to obtain a silica-alumina composition containing of from 30 to 70% wt silica and of from 70 to 30% wt of alumina.. .
|Polishing agent and polishing method|
A non-oxide single-crystal substrate such as a silicon carbide single-crystal substrate is polished at a high polishing rate, whereby a smooth surface is obtained. There is provided a polishing agent containing: an oxidant that contains a transition metal and has a redox potential of 0.5 v or more; silica particles that have an average secondary particle size of 0.2 μm or less; and a dispersion medium, wherein a content ratio of the oxidant is not less than 0.25 mass % nor more than 5 mass %, and a content ratio of the silica particles is not less than 0.01 mass % and less than 20 mass %..
|Method for producing alloy catalyst for fuel cells using silica coating|
Disclosed is a method for producing an alloy catalyst supported on carbon, including the steps of: dispersing alloy particles into a mixed solution of water with alcohol, introducing a silica precursor thereto, and carrying out sol-gel reaction in the presence of a basic catalyst to obtain silica-coated alloy particles; supporting the silica-coated alloy particles onto a carbon carrier to obtain silica-coated alloy particles supported on carbon; heat treating the silica-coated alloy particles supported on carbon to increase an alloying degree; and removing silica coating by using inorganic base solution and a surfactant. The method for producing an alloy catalyst provides a high-quality and high-durability alloy catalyst by increasing the alloying degree of a catalyst through a heat treatment step, while forming a silica coating layer effectively on small alloy particles having a size of several nanometers to inhibit growth of the size of alloy particles.
|Non-stick ceramic coating composition and process|
A method of making a series of new non-stick ceramic coating materials prepared from organic-inorganic hybrid materials, including silica sol, mtms, fas and pdms (polydimethylsiloxane) using the sol-gel process. The hybrid materials have good mechanical properties and are fashioned into a main ceramic network and good non-stick properties from organic non-stick compounds.
|Method for producing high transmission glass coatings|
The invention is a method for producing a porous coating on a glass surface, wherein an aqueous potassium silicate solution is applied to the glass surface and a porous silicate coating is formed on said glass surface. The ph of the potassium silicate solution is controlled and the formation of the silicate coating is carried out in a process atmosphere of which the relative humidity is controlled..
|Carbonyl functionalized porous inorganic oxide adsorbents and methods of making and using the same|
An adsorbent material comprising a porous inorganic oxide material grafted with a molecule comprising a carbonyl functional group is provided. The porous inorganic oxide material can be a porous silica material or zr(oh)4.
|Process for the adsorption of toxic sulphur bearing gases|
The preparation of nano-oxide coated adsorbent, which is useful for treatment of toxic gases, by coating of composite materials containing hydrotalcite over ceramic monolithic substrates. Oxides and salts of metals are reacted in a known manner to prepare hydrotalcites or mixed metal layered hydroxides such as mg—al, ca—al, zn—al, zn—cr type possessing positive layer charge, from which a stable gel is prepared by adding swellable clay, e.g., montmorillonite etc.
|Controlling a release of a cleaning agent in a solid material|
Materials and apparatus are provided for controlling a release of a cleaning agent with silica particles. Silica particles are disposed within a premix of a solid material and are configured to at least partially dissolve in an alkaline environment.
|Device housing and method for manufacturing the same|
A device housing providing a sensation of touch similar to that of jade is made of a material including quartz, clay mineral and a polymer composition containing calcium-magnesium. The clay mineral includes elemental zn, aluminum oxide, calcium oxide, magnesium oxide, barium oxide, silicon oxide, and titanium oxide.
|Manganese-containing film forming method, processing system, electronic device manufacturing method and electronic device|
A manganese-containing film forming method for forming a manganese-containing film on an underlying layer containing silicon and oxygen includes: degassing the underlying layer formed on a processing target by thermally treating the processing target, the underlying layer containing silicon and oxygen; and forming a manganese metal film on the degassed underlying layer by chemical deposition using a gas containing a manganese compound. Forming a manganese metal film includes: setting a film formation temperature to be higher than a degassing temperature; introducing a reducing reaction gas; and forming a manganese-containing film including an interfacial layer formed in an interface with the underlying layer and a manganese metal film formed on the interfacial layer, the interfacial layer being made up of a film of at least one of a manganese silicate and a manganese oxide..
A method of fabricating an electronic device, such as an organic thin film transistor, is disclosed. A substrate, for example a silicate glass substrate, has a surface which supports at least one metallic electrode comprising at least one metal, for example gold, and at least a portion of the surface of the substrate is exposed.
|Method for preparing rod-like silica fine particles including carbon|
Disclosed is a method for preparing rod-like silica fine particles including carbon, the method including: a first step of preparing a mixed solvent by mixing a surfactant with alcohol, and then preparing a mixed solution by adding water, ethanol, ammonia water and a salt to the mixed solvent; a second step of forming rod-like silica fine particles by adding a silica precursor to the mixed solution; and a third step of carbonizing the rod-like silica fine particles, and through a sol-gel reaction of the silica precursor and a carbonization process thereof.. .
|Fine particles having a multiple structure, polymer film for smart glass and method of manufacturing the same|
Disclosed are fine particles having a multiple structure, a polymer film for smart glass, and a method of manufacturing the same. More particularly, disclosed are fine particles having a multiple structure, which include a reaction portion containing iron oxide nanoparticles, carbon black and/or carbon nanotubes, and at least one non-reaction portion containing silica and/or titania nanoparticles, and which rotate by means of an electric field or a magnetic field, a polymer film for smart glass including the fine particles to control light transmissivity, and a method of manufacturing the same..
|Process for hydrodesulphuration of gasoline cuts using a catalyst based on heteropolyanions trapped in a mesostructured silica support|
The invention relates to a process of hydrodesulphuration of at least one gasoline cut implementing a catalyst comprising, in its oxide form, at least one metal from group vib and/or at least one metal from group viii of the periodic table, present in the form of at least one polyoxometalate of the formula (hhxxmmoy)q−, wherein x is an element selected from phosphorus (p), silicon (si), boron (b), nickel (ni) and cobalt (co), the said element being taken alone, m is one or more element(s) selected from molybdenum (mo), tungsten (w), nickel (ni) and cobalt (co), o is oxygen, h is hydrogen, h is an integer within the range 0 to 12, x is an integer within the range 0 to 4, m is an integer equal to 5, 6, 7, 8, 9, 10, 11, 12 and 18, y is an integer within the range 17 to 72 and q is an integer within the range 1 to 20, the said polyoxometalates being present within a mesostructured silicon oxide matrix having a pore size within the range 1.5 to 50 nm and having amorphous walls of thickness within the range 1 to 30 nm, the said catalyst being sulphured before being implemented in the said process.. .
|Preparation of catalyst|
A process for preparing a hydrocarbon conversion catalyst that comprises a specially made silica-alumina composition and a metal or metal compound selected from group vib and group viii metals. The silica-alumina composition is made by preparing an aqueous mixture containing aluminum sulfate followed by adding alkali metal aluminate to the mixture to inhance the ph to within specified range and then adding aluminum sulfate to the mixture to lower the ph.
|Single-crystal silicon pulling silica container and producing method thereof|
A single-crystal silicon pulling silica container including: a transparent silica glass layer in the inner side of the silica container; and an opaque silica glass layer containing gaseous bubbles in the outer side of the silica container, wherein the transparent layer constitutes of a high-oh group layer placed on an inner surface side of the silica container containing the oh group at a concentration of 200 to 2000 ppm by mass and a low-oh group layer having the oh group concentration lower than the high-oh group layer containing ba at a concentration of 50 to 2000 ppm by mass. Resulting in the silica container used for pulling single-crystal silicon, providing the silica container improves etching corrosion resistance of the container inner surface to silicon melt when the entire inner surface of transparent silica glass of the container is crystallized short after using the container and method for such silica container..
|Solution comprising propyl-functional alkali siliconates, silicates and method of production thereof|
The invention relates to a solution and to methods for producing the solution comprising propylfunctional alkaline siliconates, silicates and, optionally, the cocondensation products thereof.. .
|Solar dryer with enhanced efficiency of drying|
The present invention provides an improved solar dryer with improved. The dryer consists of a solar absorber/collector (9) and a drying chamber (6).
|Method for preparing catechol|
A method for preparing catechol is provided. The method includes performing hydroxylation of phenol by using zirconium-containing titanium silicalite as a catalyst in the presence of phenol, a solvent and hydrogen peroxide.
|Chromatography column and method for isolating nucleic acid|
The present invention provides a chromatography column and a method for isolating nucleic acid molecules. In one embodiment, the present invention provides a double-layer column of a first anion exchange membrane and a second serially coupled silica membrane.
|Branched lactic acid polymers with high viscosity in the molten state and high shear sensitivity, and nanocomposites thereof|
Disclosed is a polymer obtainable by bulk polymerization of lactide or lactic acid or a lactic acid copolymer obtainable by copolymerization of lactide or lactic acid with glycolide, glycolic acid and/or hydroxyacids in open or closed (cyclic) form in the presence of at least two organic and/or organic/inorganic chain regulators or a functionalized nanoparticle (nanosilica, montmorillonite).. .
|Metal polymeryls and the polymer solubilized surfaces derived therefrom|
Disclosed herein are certain propylene-based metal polymerals and their use in modifying surfaces, and, in general, metal polymerals used in modifying surfaces. In one aspect is a metal polymeryl comprising compounds having the general formula: mr3-nr′n; wherein each r group is a hydrogen or c1 to c10 or c20 alkyl, and each r′ group is selected from propylene-based polymers having an mn of at least 300 g/mole; n is 1, 2, or 3; and m is a group 12 or 13 metal, preferably aluminum or zinc; wherein the first portion of the r′ group bound to the metal m is a —ch2ch2— group, and the terminal portion of the r′ group is isobutyl.
|Artificial silica marble having amorphous patterns and method for preparing the same|
An artificial silica marble comprises a matrix and a line pattern portion. The line pattern portion comprises fine lines having a width of about 50 to about 500 μm and forms a web- or net-like pattern.
|Mesoporous silicate fire retardant compositions|
Fire retardant or flame retardant additives are incorporated into thermoplastic, thermoset, and/or elastomeric polymer materials to form polymer compositions having improved fire retardant properties. More particularly, the polymer compositions of the present invention comprise additive compositions which have the effect of improving the fr effectiveness, the additive compositions comprising a mesoporous silicate additive.
|Topical ophthalmological pharmaceutical composition containing regorafenib|
The present invention relates to topical ophthalmological pharmaceutical compositions containing regorafenib, a hydrate, solvate or pharmaceutically acceptable salt thereof or a polymorph thereof but without hydrophobic silica and its process of preparation and its use for treating ophthalmological disorders.. .
|Detergent composition with silicate coated bleach|
A phosphate-free automatic dishwashing detergent composition containing a coated bleach particle and one or more of an enzyme particle or an amino-acid based builder, wherein the composition has increased stability.. .
|Glass with improved total pitch stability|
Described herein are alkali-free, boroalumino silicate glasses exhibiting desirable physical and chemical properties for use as substrates in flat panel display devices, such as, active matrix liquid crystal displays (amlcds) and active matrix organic light emitting diode displays (amoleds). In accordance with certain of its aspects, the glasses possess excellent compaction and stress relaxation properties..
|Simultaneous global thermometry, barometry, and velocimetry systems and methods|
Microbeads include small preformed microbead substrates, which may comprise, for example, silica particles having a characteristic dimension less than 2 millimeters. A plurality of luminophores are applied to an exposed surface of the microbead substrates, wherein the luminophores are selected for detecting pressure and/or temperature.