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Class Information
Number: 521/72
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 > Utilizing cell forming agent other than air
Description: Subject matter wherein an agent other than air, per se, is utilized as a means to generate a cellular product.

Patents under this class:
1 2 3

Patent Number Title Of Patent Date Issued
8710111 Porous polymeric resins Apr. 29, 2014
8399530 Polymer foams Mar. 19, 2013
8206688 Foam-forming composition Jun. 26, 2012
7943676 Method of recycling waste plastic foam materials May. 17, 2011
7705056 Aerosol adhesive and canister-based aerosol adhesive system Apr. 27, 2010
7629049 Hemocompatible polymer systems and related devices Dec. 8, 2009
7615579 Superabsorbent polymer having increased rate of water absorption Nov. 10, 2009
7456228 Durable foam of olefin polymers, methods of making foam and articles prepared from same Nov. 25, 2008
7268169 Silicone elastomer porous body Sep. 11, 2007
7201962 Hemocompatible coated polymer and related one-step methods Apr. 10, 2007
7169320 Pentafluoropropane-based compositions Jan. 30, 2007
7163966 Superabsorbent polymer having increased rate of water absorption Jan. 16, 2007
7112620 Hemocompatible polymer systems & related methods Sep. 26, 2006
7053131 Absorbent articles comprising supercritical fluid treated HIPE, I-HIPE foams and other foams May. 30, 2006
6911484 Expanding medium, system and method for decorating surfaces Jun. 28, 2005
6884829 Hemocompatible coated polymer and related one-step methods Apr. 26, 2005
6797051 More controllable fibrous patch spray Sep. 28, 2004
6759080 Process for making foams by photopolymerization of emulsions Jul. 6, 2004
6746759 Cellular plastic material based on phenolic resin Jun. 8, 2004
6699914 Water-repellent composition for foaming process Mar. 2, 2004
6677040 Expanded polypropylene particles Jan. 13, 2004
6660667 Fabric coating containing energy absorbing phase change material and method of manufacturing same Dec. 9, 2003
6599849 Knitted fabric-elastomer composite preferable for transfer or film-coating Jul. 29, 2003
6545062 Production of water-expandable styrene polymers Apr. 8, 2003
6541528 Flexible polymer foams, their production and use Apr. 1, 2003
6531523 Method of making biocompatible polymeric adsorbing material for purification of physiological fluids of organism Mar. 11, 2003
6528551 Process for manufacturing composite thermal insulating systems by means of an organic adhesive of filler material Mar. 4, 2003
6503976 Fabric coating containing energy absorbing phase change material and method of manufacturing same Jan. 7, 2003
6414044 Foamed caulk and sealant compounds Jul. 2, 2002
6333365 Stable, foamed caulk and sealant compounds and methods of use thereof Dec. 25, 2001
6303665 Spray-resistant aqueous foam, its production and use Oct. 16, 2001
6291536 Foamed caulk and sealant compounds Sep. 18, 2001
6251960 Process for production of water absorbent resin Jun. 26, 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
6194479 "Latex foam" Feb. 27, 2001
6110984 Water-swellable crosslinked polymer, production process therefor, and measurement method for pore volume of swollen crosslinked polymer Aug. 29, 2000
6048908 Hydrophilic polymeric material Apr. 11, 2000
6025404 Rapid set latexes and foamed articles prepared therefrom Feb. 15, 2000
6011076 Latex foam Jan. 4, 2000
5994421 Water-absorbent resin dispersion and polyurethane composition Nov. 30, 1999
5861214 Thermoexpandable microcapsule and production Jan. 19, 1999
5741823 Polymerized latex emulsion suitable for producing coating on reconstituted wood substrate Apr. 21, 1998
5739221 Suspension-polymerization process for producing expandable styrene resin beads Apr. 14, 1998
RE35771 Process for producing a fine pored silicone foam Apr. 14, 1998
5712018 Embossing composition for preparing textured polymeric materials Jan. 27, 1998
5712316 Powder-form cross-linked polymers capable of absorbing aqueous liquids and body fluids, method of preparing them and their use Jan. 27, 1998
5696174 Stable and water-resistant aqueous foam composition Dec. 9, 1997
5607983 Foamable plant fiber composition and the foamed material and article thereof Mar. 4, 1997
5561170 Preparation of expandable thermoplastic polymers by post-impregnation Oct. 1, 1996

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