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Class Information
Number: 521/45.5
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 rubber (or rubberlike materials) or polymer derived from a monomer having at least two ethylenic unsaturated moieties > Treating with mechanical action and in the absence of a chemically reactive additive or solvent
Description: Subject matter wherein the process involves mechanical action and wherein chemical active materials or solvents are not utilized.

Patents under this class:
1 2 3

Patent Number Title Of Patent Date Issued
8536239 Method for producing improved rubberized concrete using waste rubber tires Sep. 17, 2013
8524789 Processing and use of waste latex materials Sep. 3, 2013
8357726 Devulcanization of rubber and other elastomers Jan. 22, 2013
8334325 Rubber de-vulcanisation Dec. 18, 2012
8304463 Processing and use of waste latex materials Nov. 6, 2012
8304459 Rubber de-vulcanisation using rapid decompression of supercritical fluid Nov. 6, 2012
8304461 Process for making polymer composites having thermoplastic properties Nov. 6, 2012
8304462 Process for making polymer composites having thermoplastic properties Nov. 6, 2012
8202918 Method and system for processing waste materials Jun. 19, 2012
8188155 Rubber de-vulcanisation May. 29, 2012
8153699 Self-priming surfacing composition for finished surfaces Apr. 10, 2012
7999012 Fluid based decommissioning and recycling of printer toner cartridges Aug. 16, 2011
7973092 PET bottle recycling Jul. 5, 2011
7959890 Method of reclaiming carbonaceous materials from scrap tires and products derived therefrom Jun. 14, 2011
7932346 Synthetic rubber with narrow molecular weight distribution, a process for its preparation and a method of use Apr. 26, 2011
7893120 Method for reclaiming pulverized synthetic resin product Feb. 22, 2011
7846985 Method and system for processing waste materials Dec. 7, 2010
7763703 Synthetic rubber with narrow molecular weight distribution, a process for its preparation and a method of use Jul. 27, 2010
7713502 Process for recycling fuel cell components containing precious metals May. 11, 2010
7654477 Pulverization process of a vulcanized rubber material Feb. 2, 2010
7547734 Method for producing recycled resin, and resin material containing recycled resin produced by that method Jun. 16, 2009
7342052 Process for regeneration of an elastomer from scrap Mar. 11, 2008
7297720 Recyclable composite materials, articles of manufacture, and structures and methods of using composite materials Nov. 20, 2007
7087655 Separation process for multi-component polymeric materials Aug. 8, 2006
7056956 Method for recycling a plastic material Jun. 6, 2006
7022751 Composite plastic materials produced from waste materials and method of producing same Apr. 4, 2006
6984670 Recyclable composite materials articles of manufacture and structures and method of using composite materials Jan. 10, 2006
6794419 Method for recycling the resin mold Sep. 21, 2004
6777453 Method of reclaiming crosslinked rubber, and molded article of reclaimed rubber Aug. 17, 2004
6756412 Fiber-reinforced recycled thermoplastic composite and method Jun. 29, 2004
6723759 Recycled resin composition and method for producing the same Apr. 20, 2004
6664304 Process for producing fine rubber powder by using waste rubber Dec. 16, 2003
6632918 Method of reclaiming crosslinked rubber Oct. 14, 2003
6579950 Rubber waste disposal apparatus and method of treating rubber waste Jun. 17, 2003
6566412 Method and apparatus for reprocessing rubber tires May. 20, 2003
6548561 Method and device for recovering pure PVC from plastic waste containing PVC Apr. 15, 2003
6548559 Thermoplastic compositions and methods Apr. 15, 2003
6545060 Magnetostriction-based ultrasound in rubber devulcanization and related processes Apr. 8, 2003
6489372 Polycarbonate isolation through homogenization devolatization Dec. 3, 2002
6403718 Method for the production of a powder of an elastic material Jun. 11, 2002
6391930 Device for destroying tires with metallic cords using electric discharges May. 21, 2002
6387967 Fiber-reinforced recycled thermoplastic composite and method May. 14, 2002
6384093 Method of melt processing crosslinked thermoplastic material May. 7, 2002
6335377 Reclaimed rubber and process for reclaiming vulcanized rubber Jan. 1, 2002
6329437 Materials for construction engineering based on recycled or newly made plastic materials, improved building components made for said materials and methods of making same Dec. 11, 2001
6271270 Fiber-reinforced recycled thermoplastic composite Aug. 7, 2001
6228479 Process of recycling waste polymeric material and an article utilizing the same May. 8, 2001
6180685 Reconstituted polymeric materials derived from post-consumer waste, industrial scrap and virgin resins made by solid state shear pulverization Jan. 30, 2001
6127434 Recycling process of a cross-linked polymeric material, in particular from electric cable coating materials Oct. 3, 2000

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