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Browse by Category: Main > Health & Medicine
Class Information
Number: 514/965
Name: Drug, bio-affecting and body treating compositions > Sustained or differential release type > Discrete particles in supporting matrix
Description: Subject matter wherein the combination consists of particles which are supported or held in a matrix or material for this purpose.










Patents under this class:
1 2 3 4 5 6 7

Patent Number Title Of Patent Date Issued
8663675 Injectable matrix having a polymer and a stem cell niche composed of cup-shaped nanoparticles containing growth factors or physiological agents for organ reconstruction Mar. 4, 2014
8663685 Sustained release aminopyridine composition Mar. 4, 2014
8623409 Clonidine formulation Jan. 7, 2014
8603524 Delivery of ethylene blocking and/or promoting agents Dec. 10, 2013
8551523 Sustained release aminopyridine composition Oct. 8, 2013
8481019 Modified-release particles of polyelectrolytes and pharmaceutical formulations thereof Jul. 9, 2013
8440703 Methods of using sustained release aminopyridine compositions May. 14, 2013
8354437 Method of using sustained release aminopyridine compositions Jan. 15, 2013
8101209 Microparticulate oral galenical form for the delayed and controlled release of pharmaceutical active principles Jan. 24, 2012
8092830 Lactic acid polymer and process for producing the same Jan. 10, 2012
RE41157 Microparticle carriers of maximal uptake capacity by both M cells and non-M cells Mar. 2, 2010
7229642 Amino acid modulated extended release dosage form Jun. 12, 2007
7118761 Method for producing a silver-containing wound care device Oct. 10, 2006
7087249 Treatment of mucosal membranes Aug. 8, 2006
7067153 Microcapsule powder Jun. 27, 2006
7008647 Treatment of acne Mar. 7, 2006
6979674 Polyol/oil suspensions for the sustained release of proteins Dec. 27, 2005
6936275 Amino acid modulated extended release dosage form Aug. 30, 2005
6911216 Targeted delivery via biodegradable polymers Jun. 28, 2005
6831058 Crosslinked gelatin gel preparation containing basic fibroblast growth factor Dec. 14, 2004
6821928 Method to reduce the rate of diffusion of slow-release materials through polymers and process for making drip irrigation devices with long-term control of root growth Nov. 23, 2004
6797283 Gastric retention dosage form having multiple layers Sep. 28, 2004
6756060 Anti-inflammatory and antimicrobial uses for bioactive glass compositions Jun. 29, 2004
6749866 Modulated release from biocompatible polymers Jun. 15, 2004
6740333 Suppository and composition comprising at least one polyethylene glycol May. 25, 2004
6709650 Spray-dried microparticles and their use as therapeutic vehicles Mar. 23, 2004
6699500 Sustained-release preparation capable of releasing a physiologically active substance Mar. 2, 2004
6680066 Composite material for treating photographic effluents Jan. 20, 2004
6663888 Pulsatile release histamine H2 antagonist dosage form Dec. 16, 2003
6649151 Cosmetic formulation Nov. 18, 2003
6635680 Controlled release pellet formulation Oct. 21, 2003
6632447 Method for chemoprevention of prostate cancer Oct. 14, 2003
6627600 Compressed microparticles for dry injection Sep. 30, 2003
6589547 Sustained-release preparation for AII antagonist, production and use thereof Jul. 8, 2003
6589511 Composition for forming solid particles Jul. 8, 2003
6544538 Insecticidal composition Apr. 8, 2003
6544559 Microencapsulated 3-piperidinyl-substituted 1,2-benzisoxazoles and 1,2-benzisothiazoles Apr. 8, 2003
6534094 Manufacturing process of microcapsules for sustained release of water soluble peptides Mar. 18, 2003
6524618 Directly compressible extended-release matrix formulation for metformin hydrochloride Feb. 25, 2003
6517868 Amino acid modulated extended release dosage form Feb. 11, 2003
6491953 Controlled release compositions and method Dec. 10, 2002
6479065 Process for the preparation of polymer-based sustained release compositions Nov. 12, 2002
6479040 Cosmetic formulation Nov. 12, 2002
6413535 Method for chemoprevention of prostate cancer Jul. 2, 2002
6413534 Method for chemoprevention of prostate cancer Jul. 2, 2002
6413533 Method for chemoprevention of prostate cancer Jul. 2, 2002
6410043 Method for chemoprevention of prostate cancer Jun. 25, 2002
6406689 Compositions and methods for treatment of tumors and metastatic diseases Jun. 18, 2002
6391338 System for rendering substantially non-dissoluble bio-affecting agents bio-available May. 21, 2002
6391341 Gastroresistant multi-unitary pharmaceutical preparations containing piroxicam May. 21, 2002

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