|| List of recent Colloid-related patents
|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.
|Materials and methods for converting biomass to biofuel|
This disclosure provides for materials and methods for converting biomass to biofuels. The materials include a colloid mill with or without cellulase enzymes, and the methods include the use of a colloid mill and optionally cellulose enzymes to pretreat biomass for use in a biomass to biofuel production process..
|Edible composition comprising cellulose ether and its use as fat substitute in dairy products|
An edible composition comprising (a) a cellulose ether selected from (a1) methylcellulose, (a2) hydroxypropyl methylcellulose, and mixtures thereof; (b) a polysaccharide hydrocolloid selected from (b1) alginic acid, alginates and mixtures thereof, and mixtures of (b1) with (b2) a non-ionic and non-acidic polysaccharide hydrocolloid different from cellulose ethers, wherein the total amount of cellulose ether (a) and polysaccharide hydrocolloid (b) ranges from 0.01 to 9% by weight, based on the total weight of the composition, and the weight ratio of cellulose ether (a) to polysaccharide hydrocolloid (b) is within the range of from 1:8 to 8:1, and (c) water. The use of the edible composition to at least partially substitute fat in an edible product such as a dairy product is also described..
|Photocatalytic system for the reduction of carbon dioxide|
A system and method employing sunlight energy for the reduction of carbon dioxide into methane and water are disclosed. Methane gas may then be stored for later use as fuel.
|Photo-catalytic systems for the production of hydrogen|
A system and method for splitting water to produce hydrogen and oxygen employing sunlight energy are disclosed. Hydrogen and oxygen may then be stored for later use as fuels.
|Using colloidal silica as isolator, diverter and blocking agent for subsurface geological applications|
A system for blocking fast flow paths in geological formations includes preparing a solution of colloidal silica having a nonviscous phase and a solid gel phase. The solution of colloidal silica is injected into the geological formations while the solution of colloidal silica is in the nonviscous phase.
|Oximetry sensor adjunct for routine diagnostic screening and monitoring|
Provided herein is an invention of a disposable adjunct developed to address limitations associated with oximetry sensor use: patient skin irritation and breakdown; compromised or interrupted display of data resulting from ambient light interference; costs incurred from replacing sensors with failed adhesion; and use of extra sensors for acute monitoring of multiple patient sites. This adjunct may be manufactured at a fraction of the cost of traditional oximetry sensors and can be retrofit to any existing sensor.
|Highly functional cellulose composite|
A cellulose composite which contains a cellulose and a polysaccharide and which is characterized in that the median diameter of colloidal cellulose composites contained in the cellulose composite is 0.85 μm or more as measured by a dynamic light scattering method.. .
|Nanorod thin-film transistors|
A method for forming an electronic switching device on a substrate, wherein the method comprises depositing the active semiconducting layer of the electronic switching device onto the substrate from a liquid dispersion of ligand-modified colloidal nanorods, and subsequently immersing the substrate into a growth solution to increase the diameter and/or length of the nanorods on the substrate, and wherein the as-deposited nanorods are aligned such that their long-axis is aligned preferentially in the plane of current flow in the electronic switching device.. .
|Ordered superstructures of octapod-shaped nanocrystals, their process of fabrication and use thereof|
This invention relates to the controlled realization of ordered superstructures of octapod-shaped colloidal nanocrystals, formed either in the liquid phase or on a solid substrate. These structures can be applied in many fields of technology..
|Colloidal lithography methods for fabricating microscopic and nanoscopic particle patterns on substrate surfaces|
A method of surface patterning by transferring particles interfacially trapped at an air-water interface to a substrate includes the steps of: (a) interfacially trapping a plurality of particles at an air-water interface; (b) providing a substrate having a polymer adhesive thereon, the polymer adhesive having a glass transition temperature that is less than 25° c. And an advancing water contact angle greater than 50; and (c) transferring the particles of step (a) to the substrate of (b) by the langmuir-schaefer technique..
|Stable colloidal gold nanoparticles with controllable surface modification and functionalization|
In the present invention, a method of producing stable bare colloidal gold nanoparticles is disclosed. The nanoparticles can subsequently be subjected to partial or full surface modification.
|Osteosynthesis with nano-silver|
An antibacterial coating that is composed of silver is disclosed, as well as medical tools and implants comprising such a coating, and a method and an apparatus for the production of such a coating. The medical tools or the dental or orthopaedic implant comprises a metal or metal alloy having a treated surface wherein the treated surface is at least partially converted to an oxide film by plasma electrolytic oxidation using a colloid-dispersed system and wherein the converted surface is partially covered by islands formed by colloid-dispersed silver-particles of the colloid-dispersed system.
|Coating compositions for resins|
A coating composition comprising (a) a uv-absorbing functionality-bearing alkoxysilane, (b) colloidal silica, (c) a multifunctional alkoxysilane and/or a partial hydrolytic condensate thereof, and (d) phosphoric acid is applicable and curable to resin substrates, typically polycarbonate substrates without a need for primer, heat or uv. On curing, it forms a film having transparency, mar resistance, and uv screening properties..
|Carpet products and methods for making same|
Disclosed are carpet products made using a first copolymer precoat adhesive to secure carpet fibers to a carpet backing or substrates in combination with a second copolymer skipcoat adhesive for securing a carpet scrim or other layer to a carpet backing. The first copolymer is a copolymer of a vinyl ester and ethylene and a cross-linking comonomer, and the second copolymer is a copolymer of styrene and butadiene.
|Meat substitute product|
A meat substitute product is disclosed. A meal substitute, such as vegetable protein, is blended with a starch, hydrocolloid, and an oil from a vegetable source..
|Hydrophilic nanoparticles surface-modified with monosaccharide phosphate or monosaccharide phosphate derivatives, its colloidal solution and use thereof|
Disclosed are a composition including hydrophilic nanoparticles that have a monosaccharide-phosphate or a derivative thereof adhered to the surface thereof, a colloidal solution of the composition dispersed in water, and a magnetic resonance imaging contrast agent including the colloidal solution. According to the present invention, nanoparticles having biocompatibility and excellent water-dispersibility can be prepared by modifying the surface of inorganic nanoparticles.
|Colloid electrolyte composition|
The invention relates to a colloidal electrolyte composition comprising a polyelectrolyte selected from one or more cationic polymers, a particulate phase forming a colloidal dispersion, and a binder system able to form a cross-linked network upon curing the electrolyte composition. Also, the invention relates to a method of preparation the colloidal electrolyte composition, to an electrochemical cell and to a method of preparation the electrochemical cell..
|Antireflection substrate structure and manufacturing method thereof|
A manufacturing method of antireflection substrate structure includes: providing a silicon wafer having a first rough surface; forming an antireflection optical film on the silicon wafer, wherein the antireflection optical film conformally overlays the first rough surface; performing a surface treatment on the antireflection optical film so that the antireflection optical film has a hydrophilic surface, and the hydrophilic surface is relatively far away from the silicon wafer; dropping a colloidal solution on the hydrophilic surface of the antireflection optical film, wherein the colloidal solution includes a solution and multiple nano-balls and the nano-balls are adhered onto the hydrophilic surface; and performing an etching process on the hydrophilic surface of the antireflection optical film by taking the nano-balls as an etching mask so as to form a second rough surface, wherein the roughness of the second rough surface is different from the roughness of the first rough surface.. .
|Light emitting device and method for manufacturing the same|
A light emitting device includes a light source module and a secondary optical element. The optical element includes a light incident surface and a light radiating surface opposite to the light incident surface.
|Portable pathogen deactivation method and apparatus|
A portable, non-filtering, microorganism deactivation device for treating water contaminated with harmful bacteria such as e. Coli and fecal coliform, includes a housing, said housing containing a high porosity media saturated with an ionically charged material such as colloidal silver..
|Watering device for plant irrigation|
A plant watering device comprises a pair of water absorbent shells made from natural coconut husks. Cotton pads are placed between the shells for further water storage and slow persistent release.
|Biosensors and porous particle reagent compositions|
A reagent composition for a biosensor sensor strip is disclosed that provides for rapid rehydration after drying. The composition includes porous particles and is preferably formed as a colloidal suspension.
|Graphene membrane with size-tunable nanoscale pores|
Technologies are generally described for a graphene membrane with uniformly-sized nanoscale pores that may be prepared at a desired size using colloidal lithography. A graphene monolayer may be coated with colloidal nanoparticles using self-assembly, followed by off-axis metal layer deposition, for example.
|Aerated sauce and methods for manufacturing and dispensing the same|
An aerated sauce and method for making and dispensing the same is provided in this disclosure. In one particular embodiment, the aerated sauce comprises pureed fruit, a stabilizer, and entrained gas.