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Class Information
Number: 521/46
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 > Process of treating scrap or waste product containing at least one polymer derived from ethylenic unsaturated monomers only > Treating polymer derived from a monomer containing only carbon, hydrogen, and halogen or only carbon and halogen; or treating a polymer which has been derived from at least one hydrocarbon and which has been subsequently halogenated
Description: Subject matter wherein the scrap or waste product contains a halogenated hydrocarbon.

Sub-classes under this class:

Class Number Class Name Patents
521/46.5 Treating polymer derived from vinyl chloride monomer 84

Patents under this class:
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Patent Number Title Of Patent Date Issued
8669297 Textile backing formed from recycled materials Mar. 11, 2014
8653150 Method for decomposing thermoset resin and recovering decomposition product Feb. 18, 2014
8614259 Process of recycling powder coat material and component made thereof Dec. 24, 2013
8557882 Method and device for the decontamination of plastic flakes Oct. 15, 2013
8466205 Methods and systems for recycling carpet and carpets manufactured from recycled material Jun. 18, 2013
8420702 Process for recycling articles based on a fiber reinforced polymer Apr. 16, 2013
8394866 Method and device for the decontamination of plastic flakes Mar. 12, 2013
8344035 Tire recycling method generating carbonous reside Jan. 1, 2013
8334326 Neutralization by filler Dec. 18, 2012
8304515 Process for the purification of polyol PFPE derivative Nov. 6, 2012
8202918 Method and system for processing waste materials Jun. 19, 2012
8168688 Process of recycling paint sludge and component made thereof May. 1, 2012
8153699 Self-priming surfacing composition for finished surfaces Apr. 10, 2012
8142695 Foam of polymers Mar. 27, 2012
8138232 Method for recycling plastic materials and use thereof Mar. 20, 2012
8106103 Method for processing and analyzing contaminated mixed waste plastics to produce reformulated, blended feed materials having a desired color Jan. 31, 2012
8053550 Process for the purification from heavy metals of vinyl chloride polymers Nov. 8, 2011
7893120 Method for reclaiming pulverized synthetic resin product Feb. 22, 2011
7893195 Method for recovering a polymer from a liquid medium Feb. 22, 2011
7884140 Compositions of materials containing recycled plastics Feb. 8, 2011
7846986 Method for obtaining a polymer in a solution Dec. 7, 2010
7820728 Methods and systems for recycling carpet and carpets manufactured from recycled material Oct. 26, 2010
7807727 Selective separation of used fragmented polymeric materials by using a dynamically stabilized dense aqueous suspension Oct. 5, 2010
7803848 Method for selectively separating used fragmented organic materials by means of dense aqueous suspensions Sep. 28, 2010
7795319 Tire recycling method generating carbonous residue Sep. 14, 2010
7547734 Method for producing recycled resin, and resin material containing recycled resin produced by that method Jun. 16, 2009
7223800 Method for producing regenerated fluororesin and regenerated fluororesin article May. 29, 2007
7087655 Separation process for multi-component polymeric materials Aug. 8, 2006
7015263 Process for recovering fluoropolymers Mar. 21, 2006
6989404 Method of recovering polyvinyl chloride and apparatus therefor Jan. 24, 2006
6723759 Recycled resin composition and method for producing the same Apr. 20, 2004
6384093 Method of melt processing crosslinked thermoplastic material May. 7, 2002
6306222 Process for cleaning plastics for recycling them Oct. 23, 2001
6274637 Plastic recycling process and process for producing plastic materials Aug. 14, 2001
6174928 Process for producing fluorinated oligomer having COOH groups at both ends Jan. 16, 2001
6160031 Process for decomposing a polymer to its monomer or monomers Dec. 12, 2000
6114401 Plastic reclamation process Sep. 5, 2000
6087406 Recycle of vulcanized fluorinated elastomers Jul. 11, 2000
6084003 Process for making foam using paint sludge Jul. 4, 2000
5895790 Thermosetting wide range polymer blends Apr. 20, 1999
5824709 Method for recycling waste plastic material containing styrene polymer Oct. 20, 1998
5824745 Resin composition Oct. 20, 1998
5770633 Process for regenerating cross-linked, vulcanized flourine rubber Jun. 23, 1998
5651994 Elastic paving material Jul. 29, 1997
5554657 Process for recycling mixed polymer containing polyethylene terephthalate Sep. 10, 1996
5548028 Curable elastomeric blend with vulcanized fluoroelastomer Aug. 20, 1996
5475036 Process for reusing plastic articles with coatings Dec. 12, 1995
5464877 Method for recovering a synthetic waste material contaminated with other materials Nov. 7, 1995
5438078 Method for depolymerization of rubber Aug. 1, 1995

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