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Class Information
Number: 521/46.5
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 > Treating polymer derived from vinyl chloride monomer
Description: Subject matter wherein the polymeric scrap or waste product is derived from at least one monomer which is vinyl chloride.

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
8530618 Process for recovering a polymer from a solution Sep. 10, 2013
8420702 Process for recycling articles based on a fiber reinforced polymer Apr. 16, 2013
8338563 Method for purifying a plastic solution Dec. 25, 2012
8153699 Self-priming surfacing composition for finished surfaces Apr. 10, 2012
8053550 Process for the purification from heavy metals of vinyl chloride polymers Nov. 8, 2011
7893195 Method for recovering a polymer from a liquid medium Feb. 22, 2011
7893120 Method for reclaiming pulverized synthetic resin product 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
7790777 Method for recovering a polymer in solution Sep. 7, 2010
7547734 Method for producing recycled resin, and resin material containing recycled resin produced by that method Jun. 16, 2009
7338981 Separation of contaminants from polyester materials Mar. 4, 2008
7170038 Molding compounds for use in induction heating applications and heating elements molded from these compounds Jan. 30, 2007
7135546 Method for recycling vinyl polymer-based articles Nov. 14, 2006
7098299 Separation of contaminants from polyester materials Aug. 29, 2006
7087655 Separation process for multi-component polymeric materials Aug. 8, 2006
7056956 Method for recycling a plastic material Jun. 6, 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
6632918 Method of reclaiming crosslinked rubber Oct. 14, 2003
6548561 Method and device for recovering pure PVC from plastic waste containing PVC Apr. 15, 2003
6525158 Process for the stabilization of a stabilizer mixtures for recycled plastic mixtures Feb. 25, 2003
6384093 Method of melt processing crosslinked thermoplastic material May. 7, 2002
6376563 Inline solid state polymerization of PET flakes for manufacturing plastic strap by removing non-crystalline materials from recycled PET Apr. 23, 2002
6372807 Process for the conversion of mixed plastic waste Apr. 16, 2002
6306222 Process for cleaning plastics for recycling them Oct. 23, 2001
6288131 Inline solid state polymerization of pet flakes for manufacturing plastic strap Sep. 11, 2001
6284808 Inline solid state polymerization of PET flakes for manufacturing plastic strap by removing non-crystalline materials from recycled PET Sep. 4, 2001
6172125 Process for recycling articles based on vinyl chloride polymers Jan. 9, 2001
6127434 Recycling process of a cross-linked polymeric material, in particular from electric cable coating materials Oct. 3, 2000
6114401 Plastic reclamation process Sep. 5, 2000
5674914 Method and apparatus for reclamation of waste polyvinyl chloride Oct. 7, 1997
5665784 Recovery of polyester from spent film Sep. 9, 1997
5635556 Thermoplastic resin compositions having improved performance Jun. 3, 1997
5554657 Process for recycling mixed polymer containing polyethylene terephthalate Sep. 10, 1996
5504122 Recovery of dimethyl terephthalate from polymer mixtures Apr. 2, 1996
5475036 Process for reusing plastic articles with coatings Dec. 12, 1995
5468779 Method for recycling painted plastic materials Nov. 21, 1995
5464876 Process for the recovery of valuable materials during the work-up of polyvinyl chloride Nov. 7, 1995
5464877 Method for recovering a synthetic waste material contaminated with other materials Nov. 7, 1995
5399433 Polyvinyl chloride-polyethylene terephthalate separation product Mar. 21, 1995
5377844 Separation of normally hydrophobic plastic materials by froth flotation Jan. 3, 1995
5288760 Separation and salvage of components of parts Feb. 22, 1994
5286463 Composition for recovering metals and process for using same Feb. 15, 1994
5252614 Process for separating polyethylene terephthalate from polyvinyl chloride Oct. 12, 1993
5248041 Process for the separation of plastics by flotation Sep. 28, 1993
5234110 Polyvinyl chloride-polyethylene terephthalate separation process and product Aug. 10, 1993
5232954 Process for recovering thermoplastic resins using esters Aug. 3, 1993
5232606 Process for recycling of supported or contaminated PVC Aug. 3, 1993

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