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Class Information
Number: 424/78.24
Name: Drug, bio-affecting and body treating compositions > Solid synthetic organic polymer as designated organic active ingredient (doai) > Aftertreated polymer (e.g., grafting, blocking, etc.) > Polymer derived from ethylenic monomers only > Heterocyclic monomer > Nitrogen heterocycle > N-vinyl-2-pyrrolidone
Description: Subject matter wherein the nitrogen heterocycle is N-vinyl-2-pyrrolidone.










Sub-classes under this class:

Class Number Class Name Patents
424/78.25 Complexed with molecular halogen or compound containing only halogen atoms 89


Patents under this class:
1 2 3

Patent Number Title Of Patent Date Issued
8372422 Hydroxyapatite-targeting poly(ethylene glycol) and related polymers Feb. 12, 2013
8206696 Antimicrobial skin preparation Jun. 26, 2012
7547433 Liquid formulations for the prevention and treatment of mucosal diseases and disorders Jun. 16, 2009
7544348 Liquid formulations for the prevention and treatment of mucosal diseases and disorders Jun. 9, 2009
7468194 Preparations for the application of anti-inflammatory agents Dec. 23, 2008
7422735 Use of crosslinked cationic polymers in skin cosmetic and dermatological preparations Sep. 9, 2008
7064168 A.sub.nB block copolymers containing poly (vinyl pyrrolidone) units, medical devices, and methods Jun. 20, 2006
6861065 Method of producing intraocular lenses in vivo Mar. 1, 2005
6811771 Bactericidal organic polymeric material Nov. 2, 2004
6756449 AnB block copolymers containing poly (vinyl pyrrolidone) units, medical devices, and methods Jun. 29, 2004
6747072 White ink for marking candy substrates Jun. 8, 2004
6730316 Dental bleach May. 4, 2004
6664356 Leach resistant oil based carrier for cosmetically and pharmaceutically active agents Dec. 16, 2003
6596267 Methods and compositions to prevent formation of adhesions in biological tissues Jul. 22, 2003
6592768 Compositions for disinfecting wastes Jul. 15, 2003
6589550 Methods of producing intraocular lenses and materials suitable for their production Jul. 8, 2003
6566406 Biocompatible crosslinked polymers May. 20, 2003
6537532 Silicone grafted thermoplastic elastomeric copolymers and hair and skin care compositions containing the same Mar. 25, 2003
6517849 Tissue products containing antiviral agents which are mild to the skin Feb. 11, 2003
6491898 Tooth coating composition Dec. 10, 2002
6464970 Method and composition for preventing surgical adhesions Oct. 15, 2002
6440442 Hydrophilic polymer blends used for dry cow therapy Aug. 27, 2002
6423332 Method and composition for deforming soft tissues Jul. 23, 2002
6395289 Hydrophilic polymer blends used to prevent cow skin infections May. 28, 2002
6352689 Post-foaming shaving gel including poly (ethylene oxide) and polyvinylpyrrolidone in a preferred range of weight ratios Mar. 5, 2002
6300442 Process for making a cosmetically or pharmaceutically-acceptable emulsion or gel composition Oct. 9, 2001
6294594 Denture adhesive compositions Sep. 25, 2001
6281251 Iodo-nonoxynol-9-derivatives and methods for their use Aug. 28, 2001
6231848 Topical Products as prophylactic of curative agents for bacterial skin infections May. 15, 2001
6207778 Conditioning/styling terpolymers Mar. 27, 2001
6203812 Hydrophilic polymer blends used to prevent cow skin infections Mar. 20, 2001
6190651 Solution for preserving contact lenses for shipping and method for preserving contact lenses for shipping employing it Feb. 20, 2001
6180127 Slow release insect repellents Jan. 30, 2001
6127188 Method and apparatus for controlling evaporation in histological procedures Oct. 3, 2000
6110483 Adherent, flexible hydrogel and medicated coatings Aug. 29, 2000
6080395 Method and composition for topical treatment of damaged tissue using histamine as active ingredient Jun. 27, 2000
6048522 Controlled-release, drug-delivery composition Apr. 11, 2000
6045787 Protection of labile proteins during iodine disinfection Apr. 4, 2000
6004583 Protein-containing polymer composition for oral administration Dec. 21, 1999
5997855 Personal care composition containing a clear homogeneous polymer of an N-vinyl lactam Dec. 7, 1999
5945032 Polymer/hydrogen peroxide complexes Aug. 31, 1999
5916548 Personal care compositions Jun. 29, 1999
5885566 Surface modified surgical instruments, medical devices, implants, contact lenses and the like Mar. 23, 1999
5882667 Plastic sleeve containing an antimicrobial agent Mar. 16, 1999
5882639 Method and composition for tropical treatment of damaged tissue using histamine phosphate as active ingredient Mar. 16, 1999
5869032 Quaternized copolymers suitable as active ingredients in cosmetic formulations, such as hair styling compositions Feb. 9, 1999
5863556 Preparations for the external application of antiseptic agents and/or agents promoting the healing of wounds Jan. 26, 1999
5863527 Personal care compositions Jan. 26, 1999
5834274 Gels for encapsulation of biological materials Nov. 10, 1998
5830447 Personal care compositions Nov. 3, 1998

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