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Class Information
Number: 427/213.36
Name: Coating processes > Particles, flakes, or granules coated or encapsulated > Solid encapsulation process utilizing an emulsion or dispersion to form a solid-walled microcapsule (includes liposome) > Solid-walled microcapsule formed from preformed synthetic polymer
Description: Subject matter wherein the microencapsulation process employed a polymer which was not prepared in situ.


Patents under this class:
1 2 3 4 5

Patent Number Title Of Patent Date Issued
7575804 Coarse-particle microcapsule preparation Aug. 18, 2009
7473467 Preparation of microcapsules Jan. 6, 2009
7431986 Encapsulation of sensitive components using pre-emulsification Oct. 7, 2008
7410699 Finely particulate composite containing carbon compound encapsulated in a polymer micelle of a block copolymer Aug. 12, 2008
7291348 Compositions and methods for biodegradable microspheres as carriers of bioactive substances Nov. 6, 2007
7201962 Hemocompatible coated polymer and related one-step methods Apr. 10, 2007
7192620 Mold-release coating systems Mar. 20, 2007
7179490 Sustained release ionic conjugate Feb. 20, 2007
7112620 Hemocompatible polymer systems & related methods Sep. 26, 2006
7056554 Production of polyelectrolyte capsules by surface precipitation Jun. 6, 2006
7033609 Microparticle preparation Apr. 25, 2006
7011776 Method and apparatus for preparing microspheres Mar. 14, 2006
6962716 Compositions and methods for biodegradable microspheres as carriers of bioactive substances Nov. 8, 2005
6932984 Method of microencapsulation Aug. 23, 2005
6911218 Sustained release ionic conjugate Jun. 28, 2005
6884829 Hemocompatible coated polymer and related one-step methods Apr. 26, 2005
6844026 Preparation of particles by hydrolysis of a metal cation in the presence of a polymer Jan. 18, 2005
6767637 Microencapsulation using ultrasonic atomizers Jul. 27, 2004
6737108 Microcapsulating conductive metal particles with polymerized monomers May. 18, 2004
6713090 Apparatus and method for preparing microparticles Mar. 30, 2004
6692667 Process of making a phosphorescent fiber Feb. 17, 2004
6660382 Process for manufacturing coated granules with masked taste and immediate release of the active principle Dec. 9, 2003
6616869 Process for preparing microparticles through phase inversion phenomena Sep. 9, 2003
6599627 Microencapsulation of drugs by solvent exchange Jul. 29, 2003
6565777 Encapsulation of bioactive agents May. 20, 2003
6544559 Microencapsulated 3-piperidinyl-substituted 1,2-benzisoxazoles and 1,2-benzisothiazoles Apr. 8, 2003
6537586 Apparatus and method for preparing microparticles Mar. 25, 2003
6534092 Method for preparing microparticles having a selected polymer molecular weight Mar. 18, 2003
6503559 Neonanoplasts and microemulsion technology for inks and ink jet printing Jan. 7, 2003
6503762 Magnetic carrier, preparation thereof, and method of extraction of nucleic acid Jan. 7, 2003
6500534 Powder-coated substrates with topcoat based on silanes containing epoxide groups Dec. 31, 2002
6444261 Storage-stable particle, in particular carrier for carrier-bound reactions, and methods of producing said particle Sep. 3, 2002
6440493 Emulsion-based processes for making microparticles Aug. 27, 2002
6406746 Microcapsulating conductive metal particles with polymerized monomers Jun. 18, 2002
6395302 Method for the preparation of microspheres which contain colloidal systems May. 28, 2002
6395304 Apparatus and method for preparing microparticles May. 28, 2002
6391338 System for rendering substantially non-dissoluble bio-affecting agents bio-available May. 21, 2002
6379704 Method for preparing microparticles having a selected polymer molecular weight Apr. 30, 2002
6376078 Spherical fine particles of silicone resin Apr. 23, 2002
6331317 Apparatus and method for preparing microparticles Dec. 18, 2001
6309569 Encapsulation of bioactive agents Oct. 30, 2001
6291013 Emulsion-based processes for making microparticles Sep. 18, 2001
6274387 Magnetic carrier, preparation thereof, and method of extraction of nucleic acid Aug. 14, 2001
6270700 Encapsulation of water soluble peptides Aug. 7, 2001
6264987 Method for preparing microparticles having a selected polymer molecular weight Jul. 24, 2001
6265025 Method for the production of ultrafine particles by electrohydrodynamic micromixing Jul. 24, 2001
6235224 Process for preparing microparticles through phase inversion phenomena May. 22, 2001
6224794 Methods for microsphere production May. 1, 2001
6224793 Encapsulated active materials May. 1, 2001
6217999 Photochemical reactor element containing microcapsulated titanium dioxide photocatalyst Apr. 17, 2001

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