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Class Information
Number: 525/938
Name: Synthetic resins or natural rubbers -- part of the class 520 series > Polymer degradation
Description: Subject matter under Class 525 involves a polymer degradation.
Patents under this class:
| Patent Number |
Title Of Patent |
Date Issued |
| 7351758 |
Addictive composition and articles containing the same |
Apr. 1, 2008 |
| 7309742 |
Impact copolymer with optimized melt flow, stiffness, and low-temperature impact resistance |
Dec. 18, 2007 |
| 7208543 |
Ethylene-propylene copolymers with an improved shape stability suitable for modifying lubricating oils and process for the preparation thereof |
Apr. 24, 2007 |
| 6989423 |
Oxygen tailoring of polyethylene film resins |
Jan. 24, 2006 |
| 6905987 |
Fibers comprising polyhydroxyalkanoate copolymer/polylactic acid polymer or copolymer blends |
Jun. 14, 2005 |
| 6852807 |
Resin compositions having biodegradation and hydrolysis properties |
Feb. 8, 2005 |
| 6803436 |
Transportable and safely packaged organic peroxide formulations comprising reactive phlegmatisers |
Oct. 12, 2004 |
| 6767972 |
Methods for slowing the degradation rate of biodegradable polymers and biodegradable polymer compositions and compositions thereof |
Jul. 27, 2004 |
| 6753384 |
Polyurethanes obtained from hydroxyalkanoates and isocyanates |
Jun. 22, 2004 |
| 6670445 |
Curable compounds, curable resin compositions containing the same and methods of easily disassembling cured materials |
Dec. 30, 2003 |
| 6521717 |
Biodegradable polyester resin composition and its use |
Feb. 18, 2003 |
| 6433133 |
Process for reducing the weight average molecular weight and melt index ratio of polyethylenes and polyethylene products |
Aug. 13, 2002 |
| 6326440 |
Biodegradable film and process for producing the same |
Dec. 4, 2001 |
| 6303677 |
Biodegradable polymers, preparation thereof and use thereof for producing biodegradable moldings |
Oct. 16, 2001 |
| 6174928 |
Process for producing fluorinated oligomer having COOH groups at both ends |
Jan. 16, 2001 |
| 6077916 |
Biodegradable mixtures of polyphoshazene and other polymers |
Jun. 20, 2000 |
| 6060584 |
Process for the degradation of polyolefins |
May. 9, 2000 |
| 5914377 |
Method for the production of diene rubbers in the gas phase |
Jun. 22, 1999 |
| 5741862 |
High flexible propylene/ethylene copolymers and process for preparing same |
Apr. 21, 1998 |
| 5728917 |
Polymer depolymerization using ruthenium and osmium carbene complexes |
Mar. 17, 1998 |
| 5677354 |
Process for reclaiming cured or semi-cured rubber |
Oct. 14, 1997 |
| 5594076 |
Hydrodegradable polyesters |
Jan. 14, 1997 |
| 5583187 |
Hot melt adhesives based on hydroxy-functional polyesters |
Dec. 10, 1996 |
| 5512339 |
Decomposable packing material |
Apr. 30, 1996 |
| 5472997 |
Process for reprocessing plastic wastes |
Dec. 5, 1995 |
| 5446109 |
Polyamide/aliphatic polyester block copolymer, process for the production thereof, and blend containing the same |
Aug. 29, 1995 |
| 5438078 |
Method for depolymerization of rubber |
Aug. 1, 1995 |
| 5434221 |
Low molecular weight isoolefin polymer |
Jul. 18, 1995 |
| 5429826 |
Chemically fixed micelles |
Jul. 4, 1995 |
| 5268507 |
Preparation of amide derivatives of hydroxy acids |
Dec. 7, 1993 |
| 5262489 |
Process for producing low molecular weight isoolefin polymers |
Nov. 16, 1993 |
| 5252642 |
Degradable impact modified polyactic acid |
Oct. 12, 1993 |
| 5246779 |
Microfine propylene polymer powders and process for their preparation |
Sep. 21, 1993 |
| 5225490 |
Biodisintegrable thermoplastic resin moldings and a process for producing same |
Jul. 6, 1993 |
| 5133909 |
Production of biologically degradable films |
Jul. 28, 1992 |
| 4948820 |
Thermodegradable compositions based on crystalline homo- or copolymers of propylene and process for carrying out the selective degradation of such homo- and copolymers |
Aug. 14, 1990 |
| 4833195 |
High flow drapable polymer compositions |
May. 23, 1989 |
| 4766200 |
Process for improving the melt flow index of thermoplastic polymers |
Aug. 23, 1988 |
| 4727113 |
Crystalline 1-butene polymer composition |
Feb. 23, 1988 |
| 4727112 |
Crystalline 1-butene polymer composition |
Feb. 23, 1988 |
| 4647593 |
Expandable polypropylene interpolymer particles |
Mar. 3, 1987 |
| 4482701 |
Hydrolyzable polyester resins, varnishes and coating compositions containing the same |
Nov. 13, 1984 |
| 4207221 |
Degradable plastic composition containing unsaturated wax |
Jun. 10, 1980 |
| 4196270 |
High solids coating composition adapted for use as automotive topcoat-#5 |
Apr. 1, 1980 |
| 3957908 |
Degradable plastics comprising a mixture of a styrene-maleic anhydride copolymer, polyvinyl acetate and an ester of a hemiformal |
May. 18, 1976 |
| 3957919 |
Thermoplastic elastomer composition and method for preparation |
May. 18, 1976 |
| 3956424 |
Photo-degradable resin composition |
May. 11, 1976 |
| 3949015 |
Internally plasticized poly(vinyl chloride) |
Apr. 6, 1976 |
| 3943188 |
Fire resistant vinyl resin with metal salt of phenolic resin |
Mar. 9, 1976 |
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