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Class Information
Number: 521/40
Name: Synthetic resins or natural rubbers -- part of the class 520 series > Synthetic resins (class 520, subclass 1) > Process of treating scrap or waste product containing solid organic polymer to recover a solid polymer therefrom
Description: Subject matter under Class 520, ... involving (a) process of recovery or producing solid organic synthetic polymer from polymeric scrap or waste product, or (b) process of preparing solid organic synthetic polymer from polymeric scrap or waste product by degradation of the polymeric scrap or waste product to monomer or low molecular weight prepolymer of a physically unseparated (i.e, nonfractionated) mixture thereof which is then reacted with another chemical species to generate another solid synthetic organic polymer.
Sub-classes under this class:
Patents under this class:
| Patent Number |
Title Of Patent |
Date Issued |
| 7452918 |
Recycled plastic material, electronic apparatus having the recycled plastic material, method of manufacturing plastic part, method of manufacturing the recycled plastic material, and method of |
Nov. 18, 2008 |
| 7319113 |
Solvent-based recovery and recycle of polyamide material |
Jan. 15, 2008 |
| 7297720 |
Recyclable composite materials, articles of manufacture, and structures and methods of using composite materials |
Nov. 20, 2007 |
| 7214722 |
Process for recycling detergent pouches |
May. 8, 2007 |
| 7166690 |
Recycled method for a wasted polyester and reclaimed materials thereof |
Jan. 23, 2007 |
| 7152742 |
Separation process for carpets |
Dec. 26, 2006 |
| 7141647 |
Image file arrangement for use with an improved image quality assurance system |
Nov. 28, 2006 |
| 7135503 |
Method for reclaiming polyester or polyester mixtures |
Nov. 14, 2006 |
| 7115671 |
Process for recovering monomeric units of a nylon from whole carpet |
Oct. 3, 2006 |
| 7096556 |
Recycling method and recycling apparatus of part for image forming apparatus, and recycled part for image forming apparatus |
Aug. 29, 2006 |
| 7087655 |
Separation process for multi-component polymeric materials |
Aug. 8, 2006 |
| 7087671 |
Recycled plastic molded parts for photosensitive materials |
Aug. 8, 2006 |
| 7056956 |
Method for recycling a plastic material |
Jun. 6, 2006 |
| 7045555 |
Regenerated resin composition |
May. 16, 2006 |
| 7022751 |
Composite plastic materials produced from waste materials and method of producing same |
Apr. 4, 2006 |
| 6992116 |
Devulcanization of cured rubber |
Jan. 31, 2006 |
| 6984670 |
Recyclable composite materials articles of manufacture and structures and method of using composite materials |
Jan. 10, 2006 |
| 6966105 |
Process for reclaiming rubber-metal waste |
Nov. 22, 2005 |
| 6962628 |
Method of treating epoxy resin-cured product |
Nov. 8, 2005 |
| 6958127 |
Coated molded article, method of recycling the same and apparatus therefor |
Oct. 25, 2005 |
| 6956065 |
Method for devulcanizing rubber with an amine |
Oct. 18, 2005 |
| 6924319 |
DEVULCANIZATION PRODUCT CONSISTING OF SCRAP RUBBER, A DEVULCANIZATION COMPOUND, A METHOD FOR PRODUCING SAME, THE REUSE THEREOF IN FRESH MIXTURES AND THE USE THEREOF FOR PRODUCING INJECTION MOU |
Aug. 2, 2005 |
| 6919383 |
CO2-assisted deploymerization, purification and recycling of step-growth polymers |
Jul. 19, 2005 |
| 6903142 |
System for sorting and processing a plurality of types of solid waste products for recycling |
Jun. 7, 2005 |
| 6881762 |
Process for recycling powder coating waste |
Apr. 19, 2005 |
| 6867322 |
Ester-forming monomer |
Mar. 15, 2005 |
| 6864294 |
RECYCLED PLASTIC MATERIAL, ELECTRONIC APPARATUS HAVING THE RECYCLED PLASTIC MATERIAL, METHOD OF MANUFACTURING PLASTIC PART, METHOD OF MANUFACTURING THE RECYCLED PLASTIC MATERIAL, AND METHOD OF |
Mar. 8, 2005 |
| 6822009 |
Method for reclaiming waste cured resin |
Nov. 23, 2004 |
| 6812261 |
Rubber composition and goods |
Nov. 2, 2004 |
| 6793709 |
Delamination process |
Sep. 21, 2004 |
| 6794419 |
Method for recycling the resin mold |
Sep. 21, 2004 |
| 6766109 |
Camera casing and recycling method therefor |
Jul. 20, 2004 |
| 6761775 |
Rinsewater separable and recyclable anaerobic curing impregnation compositions |
Jul. 13, 2004 |
| 6750260 |
Process for chemical recycling of polyurethane-containing scrap |
Jun. 15, 2004 |
| 6734216 |
Plastic recycling |
May. 11, 2004 |
| 6730732 |
Rubber compositions containing ground curing bladder rubber |
May. 4, 2004 |
| 6670404 |
Polymeric foam powder processing techniques, foam powders products, and foams produced containing those foam powders |
Dec. 30, 2003 |
| 6599950 |
Process for the recovery and separation of plastics |
Jul. 29, 2003 |
| 6583211 |
Moldable composite material |
Jun. 24, 2003 |
| 6566412 |
Method and apparatus for reprocessing rubber tires |
May. 20, 2003 |
| 6559220 |
Water-dilutable stone impact protection paint and compensation paint, their use and process for their production |
May. 6, 2003 |
| 6552094 |
Rubber composition and goods |
Apr. 22, 2003 |
| 6528546 |
Recycling of articles comprising hydroxy-phenoxyether polymers |
Mar. 4, 2003 |
| 6500872 |
Method for recycling waste styrene resin |
Dec. 31, 2002 |
| RE37951 |
Automotive additives and sealants containing waste powder prime |
Dec. 31, 2002 |
| 6489372 |
Polycarbonate isolation through homogenization devolatization |
Dec. 3, 2002 |
| 6479558 |
Microbial processing of used rubber |
Nov. 12, 2002 |
| 6465531 |
Method for recycling thermoset resin materials |
Oct. 15, 2002 |
| 6444743 |
Rubber compositions containing ground curing bladder rubber |
Sep. 3, 2002 |
| 6436197 |
Optical media demetallization process |
Aug. 20, 2002 |
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