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Class 264/4.4 - Solid-walled microcapsule formed by cooling molten materials


Subclass of Class 264 - Plastic and nonmetallic article shaping or treating: processes
Definition: Subject matter wherein solid wall formation is obtained
No. of patents: 116
Last issue date: 11/20/2007


1      
NumberTitleIssue Date
7297404Microencapsulated 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
7258880Composition for use in animal nutrition comprising a controlled release lipid matrix, method for preparing the composition and method for the treatment of monogastric animals
The present invention relates to a composition for use in animal nutrition comprising a controlled release matrix and to a method for preparing said composition. Moreover, the present invention relates to a method for the treatment of monogastric animals in which sa...
08/21/2007
7211273Detergent or personal care composition with oil capsules
Detergent or personal care compositions comprising capsules, which in turn comprise a hydrophobic continuous phase, the latter comprising an isotropic mixture of a thermoplastic-type co-polymer and hydrocarbon oil. Preferably, the capsules further comprise an oil-so...
05/01/2007
7193084Polymorphic form of itraconazole
The present invention provides a polymorphic form of itraconazole. ...
03/20/2007
7179407Zero 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
7158283Method of manufacturing display and electronic apparatus
A method of manufacturing a display that includes a first substrate having a pixel electrode, a second substrate having a common electrode, and a microcapsule interposed between the first and second substrates, a display material being encapsulated in the microcapsu...
01/02/2007
7153525Microemulsions as precursors to solid nanoparticles
The preparation of novel microemulsions to be used as precursors for solid nanoparticles is described. The microemulsion precursors consist of either alcohol-in-fluorocarbon microemulsions, liquid hydrocarbon-in-fluorocarbon microemulsions, or liquid hydrocarbon-in-...
12/26/2006
7112340Compositions of and method for preparing stable particles in a frozen aqueous matrix
The present invention discloses a composition of a stable suspension of a poorly water soluble pharmaceutical agent or cosmetic in the form of particles of the pharmaceutical agent or cosmetic suspended in a frozen aqueous matrix and method for its preparation. The ...
09/26/2006
7041277Chewing gum and confectionery compositions with encapsulated stain removing agent compositions, and methods of making and using the same
A composition in the form of a chewing gum composition or a confectionery composition containing an encapsulated stain removing agent selected from anionic and non-ionic surfactants and methods of preparing and using the same to remove stains from dental material in...
05/09/2006
7037528Microprecipitation method for preparing submicron suspensions
The present invention provides a method for preparing submicron sized particles of an organic compound, the solubility of which is greater in a water-miscible first solvent than in a second solvent which is aqueous, the process including the steps of: (i) dissolving...
05/02/2006
7037582Method 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
7030082Pharmaceutical compositions of drug-oligomer conjugates and methods of treating disease therewith
Pharmaceutical compositions that include a drug and/or drug-oligomer conjugate, a fatty acid component and a bile salt component, or a bile salt component without a fatty acid component are described. The drug can be covalently coupled to an oligomeric moiety. The f...
04/18/2006
7025911Manufacturing method for oral quick-dissolving seamless capsule
A manufacturing method for oral quick-dissolving capsules, includes the steps of: preparing a core liquid that contains a filler material; preparing a shell liquid by having dissolved therein a shell material that includes one or more plasticizer and a shell forming...
04/11/2006
6977085Method for preparing submicron suspensions with polymorph control
The present invention provides a method for preparing a suspension of a pharmaceutically-active compound, the solubility of which is greater in a water-miscible first organic solvent than in a second solvent which is aqueous. The process includes the steps of: (i) d...
12/20/2005
6974592Encapsulated 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
6969530Microcapsules 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
6964747Production 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
6955823Process 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
6953540Continuous 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
6951656Microprecipitation method for preparing submicron suspensions
The present invention provides a method for preparing submicron sized particles of an organic compound, the solubility of which is greater in a water-miscible first solvent than in a second solvent which is aqueous, the process including the steps of: (i) dissolving...
10/04/2005
6927201Capsules for incorporation into detergent or personal care compositions
Capsules for protecting a benefit ingredient and/or a colorant usefull in detergent or personal care compositions. The benefit agent and/or colorant within the capsule is surrounded by a continuous phase based on a mixture of thermoplastic-type co-polymer and hydroc...
08/09/2005
6905766Encapsulation 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
6881482Microencapsulation 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
6855335Process 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
6849271Microcapsule matrix microspheres, absorption-enhancing pharmaceutical compositions and methods
The present invention relates to microspheres, processes for the manufacture of said microspheres, pharmaceutical compositions comprising said microspheres, and sustained release methods of administering an effective pharmaceutical amount of a bioactive compound to ...
02/01/2005
6835334Macrocapsules 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
6833191Microencapsulated 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
6685960Solid lipidic nanospheres suitable to a fast internalization into cells
The present invention relates to pharmaceutical compositions in form of solid lipidic nanospheres able to rapidly penetrate into the cells, comprising as an active substance a lipidic substance consisting of an ester of ଱-tocopherol or δ-tocopherol...
02/03/2004
6652782Multi-stage method for producing gas-filled microcapsules
The invention relates to a multi-stage method for producing gas-filled microcapsules. In one stage of the method, the substance that forms the coat is polymerized. The microcapsules are formed in a physically and/or temporally separate stage, by means of ...
11/25/2003
6645525Ionically formulated biomolecule microcarriers
Compositions for sustained delivery of a biomolecule including an anionic polymer and a cationic polymer which ironically interact with each other and, optionally, with the biomolecule. Methods for making the compositions, including the step of combining ...
11/11/2003
6562460Microencapsulated 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....
05/13/2003
6544926Microcapsules having improved printing and efficiency
Dual shell microcapsule aggregate particles and copy materials coated therewith, such aggregate particles having inner shells surrounding chromogenic nucleus material, and outer shells encompassing multiple such inner shells to form aggregate particles th...
04/08/2003
6544646Zero 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 ...
04/08/2003
6534094Manufacturing process of microcapsules for sustained release of water soluble peptides
A process for the manufacturing of microcapsules for sustained release of water soluble peptides, with adjustable release periods of between 1 to 18 weeks. The microcapsule wall are made of a biodegradable polymer. The process is based on the formation of...
03/18/2003
6534091Microcapsules
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...
03/18/2003
6528165Encapsulation 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 fluores...
03/04/2003
6524500Method for making microencapsulated gyricon beads
A method for making microencapsulated gyricon beads comprising the steps of converging a first, second, third and fourth materials in a liquid state; forming a bead from the first and second materials, the bead having two hemispheric surfaces with one sur...
02/25/2003
6514439Acid-triggered microcapsules
Microcapsules of a microcapsule formed of a polyurea shell wall and an encapsulated ingredient or ingredients enclosed within the wall, the wall comprising at least one oligomeric acetal having the moiety ##STR1## in which R is (a) a moiety containing a c...
02/04/2003
6387301Method of producing solid fatty microspheres
A method to efficiently and continuously produce microspheres of natural oils and fats having a high melting point, the average particle diameter of which is in dozens of μm and is uniform, comprising the steps of heating oils and fats having a high melt...
05/14/2002
6224793Encapsulated active materials
The invention is an encapsulated active agent comprising an active agent encapsulated in a crystallizable or thermoplastic polymer wherein the particle size of the encapsulated active agent is 3,000 microns or less wherein the active agent is not signific...
05/01/2001
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