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Colloid patents



      
           
This page is updated frequently with new Colloid-related patent applications. Subscribe to the Colloid RSS feed to automatically get the update: related Colloid RSS feeds. RSS updates for this page: Colloid RSS RSS


Method of increasing the thickness of colloidal nanosheets and materials consisting of said nanosheets

Date/App# patent app List of recent Colloid-related patents
09/25/14
20140287243
 Superhydrophobic coatings patent thumbnailSuperhydrophobic coatings
A coating composition comprising a colloidal suspension comprising a fluoropolymer and fluorophilic particles in a liquid solvent, wherein the solvent comprises a fluorocarbon, a semifluorous material, or a combination thereof. Also disclosed is a substrate comprising a coated surface, wherein the coated surface comprises a fluorophilic silica particle doped—fluoropolymer film.
09/25/14
20140287237
 Method of increasing the thickness of colloidal nanosheets and materials consisting of said nanosheets patent thumbnailMethod of increasing the thickness of colloidal nanosheets and materials consisting 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.
09/25/14
20140286847
 Silica extraction from geothermal water patent thumbnailSilica extraction from geothermal water
A method of producing silica from geothermal fluid containing concentration of the silica of less than 1000 ppm includes the steps of treating the geothermal fluid containing the silica by reverse osmosis treatment thereby producing a concentrated fluid containing the silica, seasoning the concentrated fluid thereby producing a slurry having precipitated colloids containing the silica, and separating the silica from the slurry.. .
09/25/14
20140285897
 Metal oxide composite sol, coating composition, and optical member patent thumbnailMetal oxide composite sol, coating composition, and optical member
There is provided a sol of modified metal oxide composite colloidal particles including titanium oxide having a high refractive index and excellent light resistance and weather resistance that discoloration of the colloidal particles by photoexcitation is almost completely inhibited. A titanium oxide-tin oxide-zirconium oxide-tungsten oxide composite colloidal particle having a primary particle diameter of 2 to 50 nm, and a sno2/tio2 molar ratio of 0.1 to 1.0, a zro2/tio2 molar ratio of 0.1 to 0.4, and a wo3/tio2 molar ratio of 0.03 to 0.15..
09/25/14
20140285800
 Dynamic and depolarized dynamic light scattering colloid analyzer patent thumbnailDynamic and depolarized dynamic light scattering colloid analyzer
Apparatus are described for measuring the characteristics of colloidal particles suspended in transparent media by dynamic light scattering (dls) and depolarized dynamic light scattering (ddls) into regions where conventional measurements are difficult or impractical. Matching the diameter of an illuminating beam and an intersecting diameter of a field stop image extends measurements into regions that include concentrated turbid suspensions that frequently appear so visually opaque that multiple scattering typically gives a falsely low estimate of particle size.
09/18/14
20140276526
 Support for an absorbent article patent thumbnailSupport for an absorbent article
A reusable sheath-like support for use with absorbent articles, and specifically used with ostomy appliances. The absorbent article provides an additional level of security and comfort to an ostomate already utilizing a two-piece or one-piece ostomy appliance of the type which is secured to the body with a faceplate.
09/18/14
20140276519
 Absorbent article for an ostomy guard patent thumbnailAbsorbent article for an ostomy guard
A disposable absorbent article for use with ostomy appliances and complementary to a guard system such as has been illustrated, that provides an additional level of security and comfort to an ostomate already utilizing a two-piece or one-piece ostomy appliance of the type which is secured to the body with a faceplate comprising an adhesive securement means such as a hydrocolloid adhesive member or a combination of hydrocolloid adhesive member and an integral or non-integral adhesive non-woven fabric or adhesive tape.. .
09/18/14
20140275344
 Epoxy resin composition, and method for producing the same patent thumbnailEpoxy resin composition, and method for producing the same
An epoxy resin composition is provided which includes a polycrystalline structure comprised of a plurality of monocrystalline structures. The plurality of monocrystalline structures are respectively comprised of a plurality of silicon oxide colloidal particles regularly aligned in epoxy resin.
09/18/14
20140273337
 Cu2znsns4 nanoparticles patent thumbnailCu2znsns4 nanoparticles
Materials and methods for preparing cu2znsns4 (czts) layers for use in thin film photovoltaic (pv) cells are disclosed herein. The czts materials are nanoparticles prepared by a colloidal synthesis in the presence of a labile organothiol.
09/18/14
20140273251
 Colloidal coomassie stain patent thumbnailColloidal coomassie stain
Colloidal formulation for staining proteins and methods of their use are provided.. .
09/18/14
20140272623
System for increasing efficiency of semiconductor photocatalysts employing a high surface area substrate
A system for energy production may include a photoactive material with photocatalytic capped colloidal nanocrystals (pccn) and plasmonic nanoparticles over a high surface area gridded substrate for increasing light harvesting efficiency. The formation of pccn may include a semiconductor nanocrystal synthesis and an exchange of organic capping agents with inorganic capping agents.
09/18/14
20140272126
Anti-reflection glass made from sol made by blending tri-alkoxysilane and tetra-alkoxysilane inclusive sols
Anti-reflection (ar) coating for a glass substrate is prepared by blending at least two different sols to form a coating sol which is used to coat a substrate such as a transparent glass substrate. In certain example embodiments, a method includes forming a first sol formulation including a colloidal solution having a tri-alkoxysilane based binder; forming a second sol formulation including a colloidal solution having a tetra-alkoxysilane based binder; blending the first and second sol formulations to form a coating sol formulation; coating at least a portion of said coating sol formulation onto the glass substrate to form a coating; and heating (e.g., for curing and/or annealing) the glass substrate and the coating thereon.
09/18/14
20140264985
Fibre-forming process and fibres produced by the process
The present invention relates to a process for the preparation of fibres and fibres prepared by the process. The process can provide discontinuous colloidal polymer fibres in a process that employs a low viscosity dispersion medium..
09/18/14
20140264192
Cu2xsny4 nanoparticles
Materials and methods for preparing cu2xsny4 nanoparticles, wherein x is zn, cd, hg, ni, co, mn or fe and y is s or se, (cxty) are disclosed herein. The nanoparticles can be used to make layers for use in thin film photovoltaic (pv) cells.
09/18/14
20140264070
Ultraviolet disinfection case
A solution for disinfecting flowable products, such as liquids, suspensions, creams, colloids, emulsions, powders, and/or the like, as well as accessories and products relating thereto, such as containers, caps, brushes, applicators, and/or the like, using ultraviolet radiation is provided. In an embodiment, an ultraviolet impermeable cap is configured to enclose a volume corresponding to a flowable product.
09/18/14
20140263170
Methods of polishing sapphire surfaces
Described herein are compositions, kits and methods for polishing sapphire surfaces using compositions having colloidal aluminosilicate particles in an aqueous acidic solution. In some aspects, the methods for polishing a sapphire surface may include abrading a sapphire surface with a rotating polishing pad and a polishing composition.
09/18/14
20140262806
Method for increasing efficiency of semiconductor photocatalysts
A method and composition for producing a photoactive material including photocatalytic capped colloidal nanocrystals (pccn) and plasmonic nanoparticles are disclosed. The pccn may include a semiconductor nanocrystal synthesis and an exchange of organic capping agents with inorganic capping agents.
09/18/14
20140262782
Method of making a microbead array with attached biomolecules
A method and apparatus for the manipulation of colloidal particulates and biomolecules at the interface between an insulating electrode such as silicon oxide and an electrolyte solution. Light-controlled electrokinetic assembly of particles near surfaces relics on the combination of three functional elements: the ac electric field-induced assembly of planar aggregates; the patterning of the electrolyte/silicon oxide/silicon interface to exert spatial control over the assembly process; and the real-time control of the assembly process via external illumination.
09/18/14
20140262743
System for harvesting oriented light for water splitting and carbon dioxide reduction
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 oriented photocatalytic capped colloidal nanocrystals (pccn) within their composition, in order to harvest sunlight and obtain the energy necessary for water splitting and subsequent carbon dioxide reduction processes.
09/11/14
20140256871
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.. .
09/11/14
20140256532
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.
09/11/14
20140255583
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.
09/11/14
20140254017
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.. .
09/11/14
20140252275
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.
09/11/14
20140251950
Polishing composition
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..
09/11/14
20140251786
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.
09/11/14
20140251565
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.
09/11/14
20140251562
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.
09/04/14
20140245926
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.. .
08/28/14
20140242884
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..
08/28/14
20140242395
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.
08/28/14
20140242389
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.
08/28/14
20140242272
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).
08/28/14
20140238271
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..
08/28/14
20140238263
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.
08/21/14
20140234428
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.
08/21/14
20140234427
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.
08/21/14
20140234406
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.
08/14/14
20140228472
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)..
08/14/14
20140228468
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..
08/14/14
20140226139
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.
08/14/14
20140224733
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.
08/14/14
20140223980
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.
08/07/14
20140221702
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.. .
08/07/14
20140220867
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.. .
08/07/14
20140220779
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..
08/07/14
20140217324
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.. .
07/31/14
20140213955
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..
07/31/14
20140213807
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.
07/31/14
20140213741
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.. .
07/31/14
20140213662
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%.
07/31/14
20140213440
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.
07/31/14
20140213427
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.


Popular terms: [SEARCH]

Colloid topics: Colloidal Silica, Phosphoric Acid, Boric Acid, Caustic Potas, Caustic Potash, Epsom Salt, Fertilizer, Ammonium Hydroxide, Epoxy Resin, Phosphorus, Copper Clad Laminate, Benzoxazine, Distributed, Surfactant, Homogeneous

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