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| Number | Title | Issue Date |
| 7442410 | Method for encapsulating phase transitional paraffin compounds using melamine-formaldehyde and microcapsule resulting therefrom A process for the microencapsulation of phase transitional paraffin compounds is described. Polypropylene glycols with the average molecule weight over 400 were used as the surface tension modifiers for emulsifying the paraffin compounds. Polyisocyanates capable of ... | 10/28/2008 |
| 7335631 | Encapsulated perfume compositions in hair and skin products which release a burst of fragrance after initial topical application The present invention relates to personal treatment compositions, which contain encapsulated perfume compositions, which release a burst of fragrance a period of time after initial topical application. According to the present invention, the burst of fragrance is re... | 02/26/2008 |
| 7297404 | Microencapsulated particles and process for manufacturing same Microencapsulated particles having improved resistance to moisture and extended release capabilities are produced by microencapsulating the particles in a film-forming, cross-linked, hydrolyzed polymer. ... | 11/20/2007 |
| 7279121 | Process for producing electrophoretic microcapsules A microcapsule is produced by dispersing a liquid organic dispersion in an aqueous medium to form a capsule particle in the aqueous medium, the liquid organic dispersion containing an acid group-containing resin, a colored particle and an organic solvent, and the ca... | 10/09/2007 |
| 7223440 | Residual solvent extraction method and microparticles produced thereby Methods for preparing microparticles having reduced residual solvent levels. Microparticles are contacted with a non-aqueous washing system to reduce the level of residual solvent in the microparticles. Preferred non-aqueous washing systems include 100% ethanol and ... | 05/29/2007 |
| 7195437 | Tapping screw having function of holding female screw shavings The present invention provides a screw comprising a head and a threaded shank, wherein the shank is covered with a coating at least 60% of the length thereof from the end, the coating includes microcapsules that contain a viscous fluid with an appropriate level of v... | 03/27/2007 |
| 7179407 | Zero order release and temperature-controlled microcapsules and process for the preparation thereof A microcapsule composition comprising a core material in a matrix of polymorphic shell material, releases said core material in an aqueous environment in accordance with zero order linear release profile. A preferred composition comprises a core material having a de... | 02/20/2007 |
| 7179490 | Sustained release ionic conjugate A method of spherifying a sustained release ionic conjugate which contains a free carboxyl group-containing biodegradable polymer and a free amino group-containing drug which are ionically bonded to each other. ... | 02/20/2007 |
| 7094045 | Microencapsulation system and method A microencapsulation apparatus is provided which is configured to form co-axial multi-lamellar microcapsules from materials discharged from first and second microsphere dispensers of the apparatus. A method of fabricating and processing microcapsules is also provide... | 08/22/2006 |
| 7074883 | Acid end group poly(D,L-lactide-co-glycolide) copolymers with high glycolide content Copolymers of lactide and glycolide with high glycolide content. The average glycolate block length is less then about 3, which allows the copolymer to be soluble in slightly polar solvents such as methylene chloride. ... | 07/11/2006 |
| 7061663 | Capsules, materials for use therein and electrophoretic media and displays containing such capsules An encapsulation material, intended for use in encapsulated electrophoretic displays, comprises the coacervation product of a polyanionic polymer having a vinyl main chain and a plurality of anionic groups bonded to the main chain, with a cationic or zwitterionic wa... | 06/13/2006 |
| 7045562 | Method and structure for self healing cracks in underfill material between an I/C chip and a substrate bonded together with solder balls A method of self-healing cracks in a cured epoxy base underfill material between an I/C chip and a substrate is provided. A plurality of capsules is dispersed in the epoxy base. Each capsule has a curable thermosetting adhesive encapsulated in a rupturable shell to ... | 05/16/2006 |
| 7041241 | Use of biodegradable microspheres that release an anticancer agent for treating gliobastoma The invention relates to the use of biodegradable microspheres that release a radiosensitizing anticancer agent for producing a medicament to be used simultaneously with, separately from or spread over time with a radiotherapy, for treating glioblastoma. The use of ... | 05/09/2006 |
| 7041304 | Thermotropic liquid crystal polymer microcapsules, a method for preparing the same, and cosmetic compositions containing the same There are provided thermotropic liquid crystal polymer microcapsules which can show behavior of liquid crystal as it is within polymer phase due to phase separation between liquid crystal and polymer, so to be incorporated into cosmetic composition as an additive fo... | 05/09/2006 |
| 7037582 | Method for encapsulating phase transitional paraffin compound that can undergo phase transition and microcapsule resulting therefrom A series of paraffin compounds, the phase change materials (PCMs), were microencapsulated in an interfacial polymerization process to form the double-shell microcapsules with relatively low shell permeability. The inner shell is formed through the reaction between p... | 05/02/2006 |
| 7025912 | Microcapsule and manufacturing method thereof A microcapsule in which a capsule wall of the microcapsule comprises a first polymer component. A surface of the capsule wall is modified with a second polymer component that is formed from a monomer having an ethylenic unsaturated bond. ... | 04/11/2006 |
| 7018711 | Micro-capsules comprising a capsule core containing water-soluble substances Microcapsules having a capsule core comprising water-soluble organic substances, and a capsule coating which is a condensate of formaldehyde resins and/or alkyl ethers thereof, a process for their preparation, their use, and compositions comprising the microcapsules... | 03/28/2006 |
| 7011776 | Method and apparatus for preparing microspheres An improved method for the preparation of a microsphere from an emulsion wherein an organic phase containing an organic solvent having a boiling point lower than that of water and a hardly-water-soluble polymer is emulsified in an aqueous phase by an in-water drying... | 03/14/2006 |
| 6998074 | Method for forming polymer microspheres A method for forming polymer microspheres includes dispensing polymeric material from an orifice of a drop-on-demand ink jet printhead while the orifice is immersed in a solvent extraction media. ... | 02/14/2006 |
| 6984347 | Thermo-expansive microcapsules and their application Thermo-expansive microcapsules comprising a shell of a polymer produced by polymerizing a mixture of monomers, which comprises (I) a nitrile monomer, (II) a monomer having an unsaturated double bond and carboxyl groups in a molecule, (III) a monomer having two or mo... | 01/10/2006 |
| 6984449 | Pellets and process for production thereof The invention relates to pellets and a production process therefor. Pellets comprise at least one oily component, which is either an active component alone or comprises such an active component. The aim of the invention is to ensure that such active components can b... | 01/10/2006 |
| 6979467 | Microcapsules IV A microcapsule having a mean diameter of from about 0.1 to about 5 mm, a membrane and a matrix containing at least one active principle wherein the microcapsule is the product of the process comprising the steps of (a) forming an aqueous matrix by heating an aqueous... | 12/27/2005 |
| 6974592 | Encapsulated agglomeration of microcapsules and method for the preparation thereof Microcapsules comprising an agglomeration of primary microcapsules, each individual primary microcapsule having a primary shell and the agglomeration being encapsulated by an outer shell, may be prepared by providing an aqueous mixture of a loading substance and a s... | 12/13/2005 |
| 6969530 | Microcapsules and emulsions containing low bloom gelatin and methods of making and using thereof Described herein are microcapsules and emulsions prepared from low Bloom gelatin and methods of making and using thereof. ... | 11/29/2005 |
| 6964747 | Production of dyed polymer microparticles A dye, such as a fluorescent dye, is incorporated into polymer microparticles using a solvent system composed of a first solvent in which the dye and the microparticle polymer are soluble, a second solvent in which the dye and the microparticle polymer are not or on... | 11/15/2005 |
| 6955823 | Process for making microcapsules involving phase inversion A process for making microcapsules of an oil which are in dispersion in water comprises the steps of; (i) forming an initial dispersion of the oil in water in the presence of a surfactant, (ii) heating the initial dispersion above its phase inversion temperature, to... | 10/18/2005 |
| 6953540 | Continuous process for the preparation of encapsulated cyclopropenes The present invention relates to a continuous method to prepare encapsulated cyclopropenes, a method to purify cyclopropene gas, and a method to prepare an α-cyclodextrin/cyclopropene complex. ... | 10/11/2005 |
| 6932984 | Method of microencapsulation A method for microencapsulation of substances is provided. The substance(s) is/are dissolved or dispersed in an organic solvent of the kind that is partially miscible in water media. This organic solution is then mixed with an aqueous solution, which is saturated wi... | 08/23/2005 |
| 6905766 | Encapsulation of discrete quanta of fluorescent particles The present invention provides novel encapsulation compositions and methods. In particular, the invention relates to fluorescent capsule compositions, which consists of a layer of a polymer shell enclosing one or more fluorescent materials such as fluorescent micros... | 06/14/2005 |
| 6890653 | Microcapsule dispersion The present invention relates to microcapsule dispersions comprising microcapsules having a capsule core comprising water-soluble organic substances, and a capsule coating which essentially consists of polyurethane and/or polyurea, in a hydrophobic solvent which con... | 05/10/2005 |
| 6884372 | Method for preparing microparticles using liquid-liquid extraction Method and apparatus for preparing microparticles using liquid-liquid extraction. A first phase and a second phase are combined to form an emulsion. A portion of the second phase is separated from the emulsion (solvent rich), and the solvent is extracted from the se... | 04/26/2005 |
| 6881482 | Microencapsulation using electromagnetic energy and core and shell materials with different dielectric constants and dissipation factors Methods of making microcapsules and microcapsules comprising a core material and a shell material with substantially different dielectric constants and dissipation factors. Exposure to appropriate electromagnetic energy selectively (a) heats the core material with t... | 04/19/2005 |
| 6861016 | Apparatus and method for preparing microparticles Apparatus and method for preparing microparticles. An emulsion is formed by combining two phases in a static mixing assembly. The static mixing assembly preferably includes a preblending static mixer and a manifold. The emulsion flows out of the static mixing assemb... | 03/01/2005 |
| 6861145 | Solid matter micro-encapsulated by an aminoplast and method for producing the same This invention relates to micro-encapsulated particles of solid matter and a quasi-continuous method for producing the same, especially those having water-insoluble characteristics or a hydrophobic form, taking into careful consideration ecologically and economicall... | 03/01/2005 |
| 6855335 | Process for preparing silica microcapsules The present invention relates to a process for preparing silica microcapsules and more particularly, to a process for preparing silica microcapsules comprising the steps of dissolving tetraethyl orthosilicate (TEOS) into an aqueous solution containing a hydrolysis c... | 02/15/2005 |
| 6843942 | Method and device for producing lipid vesicles The invention relates to a device for producing lipid vesicles, which is equipped with a line (1) for transporting a polar liquid phase, with a line (2) for transporting an organic liquid phase containing lipids, with a collecting receptacle (7)... | 01/18/2005 |
| 6835334 | Macrocapsules containing microencapsulated phase change materials The present invention is directed to a method for producing macrocapsules containing therein a plurality of microcapsules. In accordance with some embodiments of the present invention, the microcapsules contain a phase change material. ... | 12/28/2004 |
| 6833191 | Microencapsulated particles and process for manufacturing same Microencapslated particles having improved resistance to moisture and extended release capabilities are produced by microencapsulating the particles in a film-forming, cross-linked, hydrolyzed polymer. ... | 12/21/2004 |
| 6828025 | Microencapsulation of polar liquids in copolymer shells A process for encapsulation of polar organic solvents with amphiphilic copolymer shell using controlled/living polymerization is provided for the first time. To encapsulate polar core-oils an amphiphilic polymer is required that has low interfacial tensions with bot... | 12/07/2004 |
| 6824791 | Methods for micronization of hydrophobic drugs The invention involves methods and products related to the micronization of hydrophobic drugs. A method of micronizing hydrophobic drugs using a set of solutions including an aqueous solution is provided. The invention also relates to products of micronized hydropho... | 11/30/2004 |
