Patents
Patents for B01J 13 - Colloid chemistry, e.g. the production of colloidal materials or their solutions, not otherwise provided for; Making microcapsules or microballoons (18,913)
07/2003
07/08/2003CA2119610C Process for the preparation of a liposome dispersion under elevated pressure conditions
07/08/2003CA2088300C Oil-in-water emulsions
07/03/2003WO2003055268A2 Continuous process for controlled evaporation of colloidal solutions
07/03/2003WO2003054130A2 Scented polymer capsules and the production thereof
07/03/2003WO2003053560A1 Organic colloidal dispersion of iron particles, method for preparing same and use thereof as fuel additive for internal combustion engines
07/03/2003WO2003053535A2 Nanoparticle imaging system and method
07/03/2003WO2003053325A2 Microencapsulation of drugs by solvent exchange
07/03/2003WO2003026611A3 Preparation of submicron sized nanoparticles via dispersion and solvent or liquid phase removal
07/03/2003US20030125310 Combine solutions of each vitamin, i.e, K, D's, E and A, in water or an inert oil and emulsify using a protective colloid; drying; fineness; discoloration inhibition; homogeneity; oxidation resistance
07/03/2003US20030125222 Microcapsule formulations comprising microcapsules having a core of a hydrophobic material, which encloses at least one fragrance or perfume, and a capsule shell which is obtainable by either free radicalpolymerization of ethylene monomers and
07/03/2003US20030124368 Plurality of polyelectrolyte layers of alternating charge; hydrolytic degradation of a member of the polycationic layers, the polyanionic layers, and both.
07/03/2003US20030124242 Particularly polysaccharides such as guars, pectins, celluloses and beta-glucans; used in the field of food, cosmetics, detergency, pharmaceuticals or construction.
07/03/2003US20030124072 Containing a quaterary ammonium cation-modified clay mineral; maintains a high viscosity controlling ability over a wide polarity range; storage stability
07/03/2003US20030124033 Method and apparatus for liposome production
07/03/2003DE10204471C1 Aqueous dispersion of cerium oxide-coated doped silica powder, used for chemical-mechanical polishing of semiconductor substrate or coating or in shallow trench insulation, is obtained by mixing doped silica core with cerium salt solution
07/02/2003EP1323415A1 Method of coating fine particle with lipid film
07/02/2003EP1322739A2 Granulated composition
07/02/2003EP1322430A1 Focused acoustic energy method and device for generating droplets of immiscible fluids
07/02/2003EP1322411A1 Colloidal suspension of submicronic particles for carrying active principles and their mode of preparation
07/02/2003EP1322291A1 Biodegradable microparticles for controlled release administration, with purified amylopectin-based starch of reduced molecular weight
07/02/2003EP1322290A1 Vaccine composition comprising an immunologically active substance embedded in microparticles consisting of starch with reduced molecular weight
07/02/2003EP1123181A4 Aerosol method and apparatus for making particulate products
07/02/2003EP0660714B1 Novel liposomal drug delivery systems
07/02/2003CN1427870A Method and composition for dispersing hydrophobic particles in aqueous suspensions
07/02/2003CN1427868A Gel comprised of poly-a-1,4-glucan and starch
07/02/2003CN1427771A In situ microencapsulated adhesive
07/02/2003CN1426965A Preparation of nano copper chromite using microemulsion method
07/02/2003CN1112971C Loaded ion-exchange resins, their preparation and uses
07/01/2003US6586479 Process for preparing fine emulsions
07/01/2003US6586107 Microcapsules having polyurea walls
07/01/2003US6585827 Reducing amount of cleaner and water and subsequent waste
07/01/2003CA2102126C Polymeric compositions
06/2003
06/26/2003WO2003051505A1 Spray unit of a spray dryer
06/26/2003US20030119675 Polyurea films
06/26/2003US20030119335 Process for producing nanoporous dielectric films at high pH
06/26/2003US20030118884 Method for fabricating membrane eletrode assemblies
06/26/2003US20030118822 Microcapsules
06/26/2003US20030118664 Microcapsule with average diameter of </= 2000 mu; inorganic antimicrobial agent encapsulated within a hydrophilic polymer
06/26/2003US20030118660 Residual solvent extraction method and microparticles produced thereby
06/26/2003US20030116057 Dispersion of ultrafine metal particles and process for producing the same
06/25/2003EP1321182A1 Microcapsules
06/25/2003EP1320412A1 Microcapsule powder
06/25/2003CN1426444A Heat-expandable macrosphere and process for producing same
06/25/2003CN1426433A Method for preparing microsphere
06/25/2003CN1426323A Chemical product and method
06/19/2003WO2003049846A1 Method for preparing a multiple water/oil/water emulsion
06/19/2003WO2003049701A2 Methods and products useful in the formation and isolation of microparticles
06/19/2003WO2003009819A3 Temperature insensitive one-phase microemulsions
06/19/2003US20030114546 Shell formed by polymerization of polymerizable monomer and crosslinkable monomer at proportions of greater than 1%-5% by weight based on polymerizable monomer and which has maximum expansion ratio of at least 5; fillers for paints, inks
06/19/2003US20030113368 Holding capability for hydrophilic and lipophilic drugs, water-soluble and hydrophobic substaces; controlling sustained release
06/19/2003CA2469718A1 Methods and products useful in the formation and isolation of microparticles
06/18/2003EP1319684A1 The preparation method of a stable polymer aqueous phase-aqueous phase emulsion and its use
06/18/2003EP0650377B1 Neuroinhibitory compounds released by implanting devices
06/18/2003CN1111445C Method for sub-critical drying of lyogels to produce aerogels
06/17/2003US6579573 Dispersing ceramics, cermets or metals in liquids using sound waves to form solutions having narrow particle size distributions, then injecting into flame sprayers to form uniform coatings
06/17/2003US6579558 Mixing an aqueous phase material containing at least egg and vinegar, then emulsifying the mixed aqueous phase material with an oily phase material comprising 20% by weight of a fat/oil having a melting point lower than 0 degrees C
06/17/2003CA2255828C Stable amino-containing polymer blends
06/12/2003WO2003048090A1 The use of microencapsulated transition metal reagents for reactions in supercritical fluids
06/12/2003US20030109589 Nanometric type wherein the mean colloidal particle diameter is not more than 6 nm, said dispersion comprising: (1) at least a metal M compound, said metal M being a majority metal in the dispersion, selected among the group consisting of
06/12/2003US20030109048 Electronic data processing using computer; flavors, perfumes; laser light beam transmitter fitted scattering means
06/12/2003US20030108743 Coated particles, methods of making and using
06/12/2003US20030108669 Methods for micronization of hydrophobic drugs
06/12/2003CA2468505A1 The use of microencapsulated transition metal reagents for reactions in supercritical fluids
06/11/2003EP1051244A4 Method and articles for transfection of genetic material
06/11/2003EP0979070B1 Adherent microcapsules containing biologically active ingredients
06/11/2003EP0731690B1 Liposomes with enhanced entrapment capacity, production and use thereof
06/11/2003CN1423527A Reversible gel formation
06/11/2003CN1422609A Microcapsul water-aqua type cosmetic, personal care article and external-use medicine
06/10/2003US6576679 Hydrogel
06/10/2003US6576221 Iron-containing nanoparticles with double coating and their use in diagnosis and therapy
06/10/2003US6576023 Method and apparatus for manufacturing microspheres
06/10/2003CA2108039C Lipid vesicle containing water-in-oil emulsions
06/05/2003WO2003045846A1 Nanoparticles having a rutile-like crystalline phase and method of preparing the same
06/05/2003WO2003045545A1 Gel capsules containing active ingredients and use thereof
06/05/2003WO2003031192A3 Microcapsules having improved printing and efficiency
06/05/2003WO2002041987A3 Polymeric microspheres
06/04/2003EP1159061A4 Chemical method for making pyrithione particle dispersions
06/04/2003EP0885844B1 Alumina sol, process for preparing the same, process for preparing alumina molding using the same, and alumina-based catalyst prepared thereby
06/04/2003CN1422291A Process of microgel synthesis and products produced therefrom
06/04/2003CN1422123A Encapsulation of food ingredients
06/04/2003CN1422121A Protein stabilised emulsions
06/03/2003US6572894 Biodegradable polymer
06/03/2003US6572693 Aesthetic dental materials
05/2003
05/30/2003WO2003043813A1 Microencapsulated particles and process for manufacturing same
05/30/2003WO2003043729A1 Nanocapsules and microcapsules comprising reactive polymers and method for the production thereof
05/30/2003WO2003043728A1 Perfuming or flavouring microcapsules comprising a fireproofing agent
05/30/2003WO2003043604A1 Method for preparing a compound for interaction of active substances with a porous support using supercritical fluid
05/30/2003WO2001080823A3 Composition exhibiting enhanced formulation stability and delivery of tropical active ingredients
05/29/2003US20030100617 A colloid comprises a sulfone polymer and can be used as a replacement for activated carbon or charcoal in water purification and can be reused/regeneration
05/29/2003US20030100443 As catalysts
05/29/2003US20030098437 In situ prepared nanocolloids treated with strong reductants in solvent and precious metal salts added to mixtures
05/28/2003EP1315221A2 Polymer-stabilized precious metal colloids insensitive to oxidation
05/28/2003EP1313455A2 Controlled and sustained release properties of polyelectrolyte multilayer capsules
05/28/2003EP1115478A4 Emollient esters based upon capryl alcohol and isostearic acid
05/28/2003EP1062014B1 Method for drying and producing microporous particles
05/28/2003CN1420764A Pharmaceutical preparations and their manufacture
05/27/2003US6569458 Process for producing small particles of biologically active molecules
05/27/2003US6569405 Atomizing solution through an orifice into a gas such that said liquid evaporates thereby forming a powder of hollow microcapsules
05/26/2003CA2412653A1 Oxidation-insensitive polymer-stabilized noble metal colloids
05/22/2003WO2003042274A1 Method for the production of microcapsules