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Class Information
Number: 521/144
Name: Synthetic resins or natural rubbers -- part of the class 520 series > Synthetic resins (class 520, subclass 1) > Cellular products or processes of preparing a cellular product, e.g., foams, pores, channels, etc. > Cellular product derived from ethylenically unsaturated reactants only > From acyclic mono-unsaturated hydrocarbon as only reactant > Interpolymer
Description: Subject matter wherein two or more mono-ethylenically-unsaturated acyclic hydrocarbons are utilized as reactants.










Patents under this class:
1 2 3 4

Patent Number Title Of Patent Date Issued
8658732 Cavitated oriented polyethylene polymer composites Feb. 25, 2014
8652621 Item with at least one thermoprogrammable switching section for applications in contact with materials having high heat transfer coefficients Feb. 18, 2014
8513317 Process for producing expanded polyolefin resin particles and expanded polyolefin resin particles Aug. 20, 2013
8492447 Closed cell propylene-ethylene foam Jul. 23, 2013
8461222 Shoe sole component Jun. 11, 2013
8420707 Biomass composite composition and foaming method thereof Apr. 16, 2013
8344037 Resin composition for cross-linked foam molding, cross-linked foam molded article, and method for production of cross-linked foam molded article Jan. 1, 2013
8338543 Polyolefin thermoplastic vulcanizate elastomers Dec. 25, 2012
8088835 Method for producing expansion-molded polypropylene-based resin article Jan. 3, 2012
8008363 Shoe sole component Aug. 30, 2011
7977397 Polymer blends of biodegradable or bio-based and synthetic polymers and foams thereof Jul. 12, 2011
7956096 Microspheres Jun. 7, 2011
7947752 Method of producing microporous high density polyethylene film May. 24, 2011
7947754 Foam May. 24, 2011
7923478 Nanoporous polymeric material and preparation method Apr. 12, 2011
7872056 Polymer blends of biodegradable or bio-based and synthetic polymers and foams thereof Jan. 18, 2011
7795321 Rheology modification of interpolymers of ethylene/.alpha.-olefins and articles made therefrom Sep. 14, 2010
7671106 Cap liners, closures and gaskets from multi-block polymers Mar. 2, 2010
7666918 Foams made from interpolymers of ethylene/.alpha.-olefins Feb. 23, 2010
7557147 Soft foams made from interpolymers of ethylene/alpha-olefins Jul. 7, 2009
7521518 Ethylene copolymer compositions Apr. 21, 2009
7427321 Foamed fireproofing composition and method Sep. 23, 2008
7361693 Low density polymer beads Apr. 22, 2008
7332531 Microporous high density polyethylene film Feb. 19, 2008
7238765 High density polyethylene and insulation compositions for wire and cable Jul. 3, 2007
7183332 Process for the preparation of porous polymers and polymers obtainable thereof Feb. 27, 2007
6971211 Cellulosic/polymer composite material Dec. 6, 2005
6930133 Low density polymer beads Aug. 16, 2005
6914085 Expanded polypropylene granule composition Jul. 5, 2005
6908668 Foamed polyolefin resin sheet Jun. 21, 2005
6887912 Compatible linear and branched ethylenic polymers and foams therefrom May. 3, 2005
6841583 Composition and uses thereof Jan. 11, 2005
6800669 Propylene copolymer foams Oct. 5, 2004
6734218 Process for producing foamed rubber May. 11, 2004
6720364 Elastomeric composition for preparing olefinic elastomer crosslinked foam and use thereof Apr. 13, 2004
6699421 Method for forming foamed polypropylene resin sheet and foamed formed article Mar. 2, 2004
6689465 Porous beads and process for producing the same Feb. 10, 2004
6617366 Crosslinked olefin elastomer foam and elastomer composition therefor Sep. 9, 2003
6608116 Polymeric closure comprising foamed polyethylene or ethylene copolymer and a resilient compound Aug. 19, 2003
6593386 Compitable linear and branched ethylenic polymers and foams therefrom Jul. 15, 2003
6559194 Polyolefin products and process additives therefor having reduced transfer to substrates May. 6, 2003
6518320 Polyolefin products and process additives therefor having reduced transfer to substrates Feb. 11, 2003
6455602 High-speed processable cellular insulation material with enhanced foamability Sep. 24, 2002
6417242 Propylene polymer foams Jul. 9, 2002
6384096 Product made of compliant crosslinked polyolefin foam May. 7, 2002
6384290 Oil-extended copolymers for sponge May. 7, 2002
6331576 Surface-decorated foam skin of cross-linked rubbery soft olefin resin Dec. 18, 2001
6316511 Polyethylene closure for a container Nov. 13, 2001
6316512 Silane-grafted materials for solid and foam applications Nov. 13, 2001
6313184 Expanded polypropylene resin beads and a molded article Nov. 6, 2001

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