|| List of recent Colloid-related patents
|New and stable aqueous hybrid binder|
The present invention provides a new and simple processed stable colloidal silica containing polymeric binders, without modification, and to get to a novel coating composition, especially, aqueous coating composition that has more efficient stain resistance/removal function and also under a reasonable and controllable cost.. .
|Oriented photocatalytic semiconductor surfaces|
The present disclosure relates to oriented photocatalytic semiconductor surfaces which may include photocatalytic capped colloidal nanocrystals (pccns) positioned all in the same orientation. The photoactive material may be employed in a plurality of photocatalytic energy conversion applications such as the photocatalytic reduction of carbon dioxide and water splitting, among others.
|Protein suspension as a beverage opacifier system|
The present invention is a composition which provides product opacity (“cloud”) to beverages without requiring the use of added oil. The beverage comprises a beverage matrix, a protein having a tertiary or quaternary structure (such as wpc 80) having an average particle size of from about 0.3 to about 10 μm and a hydrocolloid gum (such as gellan gum) which imparts thixotropic properties to the beverage matrix.
|Photonic balls containing a microstructure of core-shell particles exhibiting angularly-independent structural color|
A photonic assembly for observing a preselected color includes an assembly of colloidal particles in a continuous liquid phase, the colloidal particles comprising a core scattering center and a shell layer surrounding the core, wherein the core scattering center is selected to scatter light having a predetermined wavelength, and wherein the shell has a thickness selected to provide an overall colloidal particle size that is about the same dimension as the wavelength of preselected color to be observed.. .
|System for harvesting oriented light - water splitting|
A system and method for splitting water to produce hydrogen and oxygen employing focused polarized sunlight energy is disclosed. Hydrogen and oxygen may then be stored for later use as fuels.
A polishing composition of the present invention is used for polishing an object containing a phase-change alloy and is characterized by containing ammonium ions (nh4+). The polishing composition may further contain abrasive grains, such as colloidal silica..
|System for harvesting oriented light for carbon dioxide reduction|
A system and method for harvesting oriented light for reducing carbon dioxide to produce fuels, such as methane, are disclosed. The present disclosure also relates to oriented photocatalytic semiconductor surfaces that may include oriented photocatalytic capped colloidal nanocrystals (pccn) which may form oriented photoactive materials.
|Process for producing high solids colloidal silica|
The invention provides a method for improving the effectiveness of colloidal silica. The method involves removing enough charged impurities from the colloid to prevent the charged particles from causing the colloid to become a viscous gel.
|Stable aqueous colloidal silica product, and methods to make and use same|
An aqueous colloidal silica product, a method of using the aqueous colloidal silica product, and a method of producing an aqueous colloidal silica product, are disclosed. The method of producing the aqueous colloidal silica product incorporates semi-batch addition of alkali metal silicate, which is capable of achieving an aqueous colloidal silica product having desirable physical and chemical characteristics.
|Treatment solution for insulation coating for grain-oriented electrical steel sheets|
A treatment solution for an insulation coating of grain-oriented electrical steel sheets includes at least one selected from phosphates of mg, ca, ba, sr, zn, al and mn; colloidal silica in a proportion of 0.5 to 10 mol in terms of sio2; and a water-soluble vanadium compound in a proportion of 0.1 to 2.0 mol in terms of v, relative to po4:1 mol in the phosphates.. .
|Synethetic quartz glass subtrate polishing slurry and manufacture of synethetic quartz glass substrate using the same|
A polishing slurry comprising a collagen derivative and a colloidal solution is effective for polishing of synthetic quartz glass substrates. It prevents formation of defects having a size that can be detected by a high-sensitivity flaw detector..
|Member for vehicle and manufacturing process for the same|
A member for vehicle according to the present invention includes a resinous substrate, and a protective film being formed on a surface of the resinous substrate partially at least. The protective film is made by curing a curing-type coating-agent composition containing: component (a) (e.g., an isocyanuric ring-containing urethane (meth)acrylate compound) in an amount of from 20 to 80 parts by mass; component (b) (e.g., an isocyanuric ring-containing tri(meth)acrylate compound free from any urethane bond) in an amount of from 10 to 70 parts by mass; component (c) (e.g., a reaction product) between a colloidal silica and an alkoxysilane compound having a maleimide group) in amount of from 1 to 35 parts by mass; a radical-polymerization initiator serving as component (d) in an amount of from 0.1 to 10 parts by mass; an ultraviolet absorber serving as component (e) in an amount of from 1 to 12 parts by mass; and an organic solvent serving as component (f) in an amount of from 10 to 1,000 parts by mass; with respect to a sum of the component (a), the component (b), and the component (c) being taken as 100 parts by mass.
|Process for the thickness growth of colloidal nanosheets and materials composed of said nanosheets|
A process of growth in the thickness of at least one facet of a colloidal inorganic sheet, by sheet is meant a structure having at least one dimension, the thickness, of nanometric size and lateral dimensions great compared to the thickness, typically more than 5 times the thickness. The process allows the deposition of at least one monolayer of atoms on at least one inorganic colloidal sheet, this monolayer being constituted of atoms of the type of those contained or not in the sheet.
|Scratch and abrasion resistant uv blocking glass coating|
A resin for making abrasion and scratch resistant uv blocking glass coating. The resin can include an inorganic polysiloxane polymer matrix formed from water-based colloidal silica and tetraethylorthosilicate (teos).
|Self-assembled nano-structure particle and method for preparing|
Novel, nano-structured particles are formed by introducing a selected solid of interest into a structured fluid matrix formed by a dispersion of a small molecule host vessel, such as a native or modified polysaccharide, cavitand, simple sugar, simple polyol or other similarly structured molecule known to be useful as a host vessel, in an acidic medium or other solvent, whereby the particle size of the introduced solid is reduced and or limited by incorporation into the host vessel. The simple, one-step mixing process results in stabilized colloidal dispersions of the nanoparticles useful in a wide variety of applications..
|Superhydrophobic coatings and methods for their preparation|
Superhydrophobic coatings and compositions and methods for preparing superhydrophobic coatings and compositions are described herein whereby the coatings and compositions are prepared under mild conditions, yet the methods are amenable to chemical functionalization of the coatings and components therein. The methods are useful for tuning and optimizing the physical properties of the coatings.
|Topical dermal delivery compositions using self assembling nanoparticles with cetylated components|
The invention, a transdermal delivery method, relates to penetration-enhancing pharmaceutical compositions comprising a novel, stable mixture of cetylated esters, cetyl or stearyl alcohols, polar solvents and surfactants, which, under appropriate conditions, combine into amphiphilic nanoparticles within a stabilized liquid dispersion for use in delivery of medicinal agents through the skin. The term cetosomes is used to describe these particles in order to differentiate them from other nanoparticles, such as niosomes, cerasomes, polymeric micelles, dendrimers, liposomes, lipoids, solid lipid nanoparticles and other particles.
|Use of synthetic janus particles for preventing or reducing crystal growth|
The invention provides a method of preventing or reducing the growth of crystals in a substance which is susceptible to crystal growth in which colloidal particles having an amphiphilic structure, e.g. Janus particles, are contacted with the substance.
|Novel nanoparticulate suspension for incorporating fat-soluble vitamins in the treatment of hair thinning and hair loss|
The present invention provides novel compositions comprising a nutritional supplement containing vitamin d-3 (cholecalciferol) and other supporting nutrients (i.e., fat-soluble vitamins a and e) to be administered orally via capsules to human subjects for the prophylaxis and mitigation of hair thinning and hair loss in both men and women. Colloidal silicon dioxide functions to form a nanoparticulate suspension and acts as a viscosifier to thicken the oil(s) used in the capsule filling operation.
|Photoreactor and process for preparing mip nanoparticles|
Soluble or colloidal nanoparticles of molecularly imprinted polymer are produced reliably and consistently in a photoreactor with a reaction vessel (18) containing a solid phase (14) bearing immobilised template. Parameters such as temperature, fluid flows and irradiation time are controlled by a computer (52)..
|Curing-type coating-agent composition|
A curing-type coating-agent composition according to the present invention contains: component (a) (e.g., an isocyanuric ring-containing urethane (meth)acrylate compound) in an amount of from 20 to 80 parts by mass; component (b) (e.g., an isocyanuricring-containing tri(meth)acrylate compound free from any urethane bond) in an amount of from 10 to 70 parts by mass; component (c-1) (e.g., a reaction compound between a colloidal silica and an alkoxysilane compound having a maleimide group) in amount of from 1 to 35 parts by mass, or component (c-2) (e.g., a specific organosilicon compound) in an amount of from 5 to 35 parts by mass; a radical-polymerization initiator serving as component (d) in an amount of from 0.1 to 10 parts by mass; an ultraviolet absorber serving as component (e) in an amount of from 1 to 12 parts by mass; and an organic solvent serving as component (f) in an amount of from 10 to 1,000 parts by mass; with respect to a sum of the component (a), the component (b), and the component (c-1) or the component (c-2) being taken as 100 parts by mass. The aforementioned composition demonstrates excellent wear resistance and weatherability as a coating agent for plastic substrate, or the like, which is employed outside..
|Novel lithographic method with the capability of spectrum engineering to create complex microstructures|
The present invention relates to a method for microstructuring a substrate. In the method according to the invention a substrate with a region to be structured is provided, and then by applying colloid spheres into this region, a colloid sphere monolayer is formed.
|Colloidal silica addition to promote the separation of oil from water|
The combination of colloidal silica in conjunction with a chemical, such as a cationically-modified water soluble polymer, e.g. Aluminum brine dispersion polymer, clarifies combinations of oil and water, for instance wastewater comprising an oil-in-water emulsion.
|Increasing the grade values of plant nutrients|
Methods of increasing grade values of plant nutrients and compositions produced from said methods. A plant nutrient is combined with a colloidal micelle, the later having a particle sized between approximately 1 to 500 nm.
|Molecular sieve adsorbent blends and uses thereof|
A process for the production of a molecular sieve blend with improved performance characteristics produced by preparing or obtaining a hydrophilic zeolite, particularly a hydrophilic zeolite a with a low sio2:al2o3 ratio, preparing or obtaining a hydrophobic silicon based binder, particularly a hydrophobic colloidal silica or a hydrophobic siloxane based material, mixing the zeolite with the silicon based binder and, in one embodiment, a seed containing small quantities of a clay binding agent and the zeolite, to form a mixture, and forming the mixture into the molecular sieve blend.. .
|Concrete cutting, polishing and coloring treatment solutions and methods|
Systems and methods for treating concrete, which includes the steps of wetting a surface of concrete with a amorphous colloidal silica, allowing time for the colloidal silica to penetrate the concrete surface, and cutting the surface of the concrete with a bladed tool wherein the longitudinal blade portion is positioned approximately at an angle between 30 degrees and 90 degrees relative to the surface of the concrete.. .
|Surface selective polishing compositions|
The disclosure provides polishing compositions that show a high polishing rate ratio of a silicon nitride (sin) surface to a silicon oxide surface, and/or of a sin surface to a polycrystalline silicon (poly si) surface. Such compositions comprise, in certain aspects, of colloidal silica, and one or more water soluble polymers, and has a ph of 6 or less, wherein the colloidal silica comprises one or more organic acids bound to its surface, and the water soluble polymer is a polyoxyalkylene hydrocarbyl ether which hydrocarbyl moiety has 12 or more carbon atoms..
|Molecular sieve adsorbent blends and uses thereof|
A molecular sieve blend with improved performance characteristics produced by preparing or obtaining a hydrophilic zeolite, particularly a hydrophilic zeolite a with a low sio2:al2o3 ratio, preparing or obtaining a hydrophobic silicon based binder, particularly a hydrophobic colloidal silica or a hydrophobic siloxane based material, mixing the zeolite with the silicon based binder and, in one embodiment, a seed containing small quantities of a clay binding agent and the zeolite, to form a mixture, and forming the mixture into the molecular sieve blend.. .
|Pressure sensitive adhesive composition|
A pressure sensitive adhesive composition includes 4-15 w/w % styrene-isoprene-styrene copolymer, 20-35 w/w % styrene-isoprene diblock copolymer, 4-15 w/w % tackifier, 6-18 w/w % paraffin oil, and 30-45 w/w % hydrocolloid. The size of the hydrocolloid is below 40 μm..
|Methods for preparing aqueous suspension of precious metal nanoparticles|
The present disclosure is directed to methods of preparing stable suspensions of precious metal nanoparticles and methods for attaching bio-molecules to the nanoparticles. The formation of nanoparticles can be accomplished by either chemical synthesis or pulsed laser ablation in a liquid.
|Low free mdi prepolymers for rotational casting|
Rotational cast polyurethane composition prepared from a prepolymer composition comprising: a) an isocyanate-terminated polyurethane prepolymer; and b) a curative agent comprising i) a polyol; ii) an aromatic diamine; iii) a thixotropic aliphatic amine; and iv) a thixotropic colloidal additive, wherein the prepolymer comprises a product produce by the reaction of a polyol with an organic diisocyanate monomer comprising 4,4′-diisocyanato diphenylmethane (mdi), and which prepolymer comprises less than 1.0% by weight of free mdi monomer, based on the toal weight of the prepolymer, exhibits a range of enhanced physical properties compared to those obtained from prepolymers comprising a higher level of free mdi monomer.. .
|Particles with designed different sized discrete pores|
Polymeric porous particles have a continuous solid phase and at least two sets of discrete pores that are isolated from each other within the continuous phase and that have different average sizes. One set of discrete pores has a larger average size than another set of discrete pores by at least 50%.
|Ethanol reforming catalyst composition and method of producing ethanol reforming catalyst|
The instant disclosure relates to a preparation method of ethanol reforming catalyst, comprising the following steps. The first step is mixing a first metal precursor, a second metal precursor, and a third metal precursor with an organic medium to form a mixture.
|Photocatalyst for the reduction of carbon dioxide|
The present disclosure relates to a method and composition for forming photocatalytic capped colloidal nanocrystals which may include semiconductor nanocrystals and inorganic capping agents as photocatalysts. Photocatalytic capped colloidal nanocrystals may be deposited on a substrate and treated to form a photoactive material which may be employed in a plurality of photocatalytic energy conversion applications such as the photocatalytic reduction of carbon dioxide.
|Stabilizer for food applications|
A compound comprises microcrystalline cellulose (mcc) in colloidal form and two different qualities of carboxymethyl cellulose (cmc), wherein the mcc and the two different qualities of cmc are combined by co-processing, wherein the two different qualities of cmc have different degrees of substitution (ds), wherein a low-substituted cmc is present with a ds of 0.6 to 0.9 and a high-substituted cmc is present with a ds of 1.10 to 1.45, wherein a percentage of cmc in the compound is between 5% and 18% by weight relating to a dry matter, and wherein the co-processing is done by homogenization.. .
|Composition and method for treatment of symptoms associated with various skin conditions|
Compositions containing imidazole-based compounds, and optionally, colloidal oatmeal, for the treatment, prevention, and management of symptoms, conditions, diseases, and disorders of the skin. Also, methods for the treatment, prevention, and management of symptoms, conditions, diseases, and disorders of the skin using compositions containing imidazole-based compounds, and optionally, colloidal oatmeal..
|Light emitting device with all-inorganic nanostructured films|
A fused film and methods for making the fused film to be employed in a light emitting device are provided. In one embodiment, the disclosure provides a method for forming a film from fused all-inorganic colloidal nanostructures, where the all-inorganic colloidal nanostructures may include inorganic semiconductor nanoparticles and functional inorganic ligands that may be fused to form an electrical network that is electroluminescent.
|Artificial photosynthetic system using photocatalyst|
A photosynthetic system for splitting water to produce hydrogen and using the produced hydrogen for the reduction of carbon dioxide into methane is disclosed. The disclosed photosynthetic system employs photoactive materials that include photocatalytic capped colloidal nanocrystals within their composition, in order to harvest sunlight and obtain the energy necessary for water splitting and subsequent carbon dioxide reduction processes.
|Glass ceramic material and method|
The present invention relates to a method for manufacturing of a glass ceramic material for dental applications. The method comprises: providing a first precursor comprising silicon(iv); providing a second precursor comprising zirconium(iv); hydrolyzing said first precursor and second precursor in solution; polymerizing of the hydrolysed first precursor and second precursor in a solvent, wherein polymers are formed; formation of colloids comprising said polymers; formation of a gel from said colloids; aging the gel; drying the gel; and sintering the gel under formation of a glass ceramic material..
|Coated food product and method of preparation|
Coated snack products are provided whose coating are reminiscent of high fat compound fat coating, resistant to rub-off of a powdery or fat based topping as well as methods for preparing such coated snack products. The present invention provides methods for preparing such coated food product including providing a hot (about 60-85° c.), oil-in-water emulsion coating slurry containing a hydrated film forming hydrophilic colloid.
|Antimicrobial colloidal silver and gold products and method of making same|
Gelatinous foam, coated paper, fabric, and polymer materials combined with the colloidal silver or gold additive to formulate products with antimicrobial surfaces. Some embodiments of the present invention can include gelatinous materials selected from a group consisting of thermosetting polymer, styrene-ethylene-butadiene-styrene polymer (sebs), thermoplastic elastomer (tpe), and polyurethane (pu) gelatin with and without a raised geometry on an outer surface and in any shape.
|Micro-colloidal silicic acid / boric acid composition and a method of preparing a bioenhancing solution and powder|
The present invention provides a composition comprising an acidified aqueous solution of (1) micro colloidal silicic acid, (2) boric acid, and (3) a water absorbing additive, having a ph value of equal to or less than 1, wherein the micro colloidal silicic acid has particle sizes in the range of 1-8 nm, especially in the range of 1.5-6 nm. The invention also provides a particulate product obtainable by the method according to claim 18, wherein the particles comprise (1) silicic acid, (2) boric acid, and (3) the water absorbing additive, and wherein at least 90% of the particles in the particulate product have particle sizes in the range of 0.3-5 μm..
|Method for detecting cancer cells metastasizing into sentinel lymph node|
A method for detecting a sentinel lymph node generating a microenvironment suitable for micrometastasis within the sentinel lymph node of carcinoma cells from a primary tumor or for detecting micrometastasis within the sentinel lymph node. A detecting agent is injected into the primary tumor, or tissue or a lymph node nearby the tumor, which allows the detecting agent to reach the sentinel lymph node by lymphatic circulation.
|Metal oxide particles containing titanium oxide coated with silicon dioxide-stannic oxide complex oxide|
A metal oxide particle containing titanium oxide coated with silicon dioxide-stannic oxide complex oxide including: a titanium oxide-containing core particle (a); and a coating layer with which the titanium oxide-containing core particle (a) is coated and that is made of silicon dioxide-stannic oxide complex oxide colloidal particles (b) having a mass ratio of silicon dioxide/stannic oxide of 0.1 to 5.0, wherein one or more intermediate thin film layers that are made of any one of an oxide; a complex oxide of at least one element selected from the group consisting of si, al, sn, zr, zn, sb, nb, ta, and w; and a mixture of the oxide and the complex oxide are interposed between the titanium oxide-containing core particle (a) and the coating layer made of the silicon dioxide-stannic oxide complex oxide colloidal particles (b).. .
|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.
|Targeted therapeutic nanoparticles|
Disclosure of methods and compositions related to chemical conjugations to nanoparticles of polysaccharides cross-linked to poloxamers as well as nano-sized colloids comprised of polysaccharides and poloxamers. The nanoparticles may be produced by various methods including inverse miniemulsion polymerization processes which create nanogels of desired size, shape, and stability for controlled therapeutic drug delivery, imaging, and theragnostic applications..
|Silicone absorbent adhesive layer|
An adhesive composition comprising silicone adhesives and one or more absorbent fillers such as hydrocolloids is disclosed. The adhesive composition is particularly well suited for use in negative pressure wound therapies..
|Colloidal collagen burn wound dressing produced from jellyfish|
The present invention relates to methods of forming wound dressings from jellyfish collagen. A jellyfish tissue is provided, after which an acid is added to produce a collagen-salt solution.
|Use of foam with in situ combustion process|
The present invention relates to a novel method of maintaining a steady and/or proper water-gas ratio for the wet in situ combustion process for oil recovery. In particular, the method comprises mixing water with a foaming agent, or some other colloid capable of generating foam, in addition to gas.
|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.
|Oxide ferrimagnetics with spinel structure nanoparticles and iron oxide nanoparticles, biocompatible aqueous colloidal systems comprising nanoparticles, ferriliposomes, and uses thereof|
The present invention relates to methods for producing oxide ferrimagnetics with spinel structure and iron oxide nanoparticles by soft mechanochemical synthesis using inorganic salt hydrates, oxide ferrimagnetics with spinel structure and iron oxide nanoparticles of ultra-small size and high specific surface area obtainable by the methods, biocompatible aqueous colloidal systems comprising oxide ferrimagnetics with spinel structure and iron oxide nanoparticles, carriers comprising oxide ferrimagnetics with spinel structure and iron oxide nanoparticles, and uses thereof in medicine.. .
|Photocatalyst for the production of hydrogen|
A method and composition for making photocatalytic capped colloidal nanocrystals include semiconductor nanocrystals and inorganic capping agents as photocatalysts. The photocatalytic capped colloidal nanocrystals may be deposited on a substrate and treated to form a photoactive material that may be used in a plurality of photocatalytic energy conversion applications such as water splitting.