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Class Information
Number: 521/71
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. > Process of forming a cellular product from an aqueous latex, aqueous dispersion, or aqueous emulsion containing a solid polymer; process of preparing a latex, dispersion, or emulsion containing a solid polymer which is designed to be formed into a cellular product, or composition thereof > Solid polymer is derived from a conjugated diene monomer
Description: Subject matter wherein the solid polymer which is part of the aqueous latex, aqueous emulsion, or aqueous dispersion is derived from at least a reactant having two or more conjugated ethylenic groups.

Patents under this class:
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Patent Number Title Of Patent Date Issued
8158691 Aqueous reinforced rubber dispersions and their use for making latex foams Apr. 17, 2012
7371345 Sterilization of medical adhesive kits May. 13, 2008
6900249 Durable, absorbent latex foam composition having high vertical wicking May. 31, 2005
6753355 Latex crosslinking with blocked nitrile oxides or epoxy silanes Jun. 22, 2004
6716914 Compatible linear and branched ethylenic polymers and foams therefrom Apr. 6, 2004
6660667 Fabric coating containing energy absorbing phase change material and method of manufacturing same Dec. 9, 2003
6627670 Durable, absorbent latex foam composition having high vertical wicking Sep. 30, 2003
6624207 Aqueous polymer dispersion comprising rubber particles and polymer particles having a reinforcing action Sep. 23, 2003
6541528 Flexible polymer foams, their production and use Apr. 1, 2003
6346557 Porous material, method for making same and applications Feb. 12, 2002
6248800 Methods for sterilizing cyanoacrylate compositions Jun. 19, 2001
6218440 Hydrophilic polymeric material and method of preparation Apr. 17, 2001
6207738 Fabric coating composition containing energy absorbing phase change material Mar. 27, 2001
6187829 Heat gellable latex composition and method of making same Feb. 13, 2001
6162855 Bauxite filler for carpet backings Dec. 19, 2000
6127439 Process for the preparation of polymer particles Oct. 3, 2000
6048908 Hydrophilic polymeric material Apr. 11, 2000
5994421 Water-absorbent resin dispersion and polyurethane composition Nov. 30, 1999
5741823 Polymerized latex emulsion suitable for producing coating on reconstituted wood substrate Apr. 21, 1998
5607982 Flexible open-cell polyurethane foam Mar. 4, 1997
5595646 Extended use planar sensors Jan. 21, 1997
5446072 Emulsion compositions for flameproof foam sheet Aug. 29, 1995
5434194 Method for making a cellular rubber, cellular rubbers obtained by the method, and cosmetic puffs made of the cellular rubber Jul. 18, 1995
5430070 Functional insulation resin composition Jul. 4, 1995
5332621 Composite articles by combining a thermoplastic molding and foam Jul. 26, 1994
5252622 Cellular contact adhesive films having improved bond strength Oct. 12, 1993
5187221 Styrene/butadiene graft copolymer latex and heat-vulcanizable composition, containing the latter as reinforcing latex, for the production of latex foam Feb. 16, 1993
5130191 Foamed sealant composition for use in mine stoppings and the consolidation of other geological formations Jul. 14, 1992
4973670 Method for preparing hollow latexes Nov. 27, 1990
4937023 Method for manufacturing masks for fancy dresses or the like Jun. 26, 1990
4870112 Foamable, gelable and heat vulcanizable composition of matter for the the manufacture of latex foam Sep. 26, 1989
4781781 Formation of solid polymeric material Nov. 1, 1988
4647618 Method of producing a silicone water-based elastomer Mar. 3, 1987
4634733 Method of producing a silicone water-based elastomer Jan. 6, 1987
4631296 Method of producing a silicone water-based elastomer Dec. 23, 1986
4613630 Water-blown silicone foam Sep. 23, 1986
4599367 Water-blown silicone foam Jul. 8, 1986
4537915 Char resistant foams Aug. 27, 1985
4501825 Tire sealer and inflator Feb. 26, 1985
4499036 Microwave curing of latex-based compositions Feb. 12, 1985
4466933 Heat-resistant foamed plastic materials Aug. 21, 1984
4460711 Instantaneous production by ejection of a flexible foamed or solid rubber mass on a substrate Jul. 17, 1984
4417016 Frothing aid composition Nov. 22, 1983
4373033 Blended plastomeric and elastomeric rubber latex sponge Feb. 8, 1983
4357428 Foamable composition Nov. 2, 1982
4315075 Methods of reducing smoke evolution from burning neoprene foam and neoprene foam products produced thereby Feb. 9, 1982
4310582 Blends of trans-polybutadiene and medium vinyl polybutadiene Jan. 12, 1982
4275168 Polyolefin resin foam and process for continuously manufacturing the same Jun. 23, 1981
4231912 Rubber latex compounds Nov. 4, 1980
4232126 Nontacky shaped objects from polymer latices Nov. 4, 1980

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