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Class Information
Number: 521/68
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 > Adding fibrous material to a latex, dispersion, or emulsion containing a solid polymer
Description: Subject matter wherein a fibrous material is added to an aqueous latex, aqueous dispersion, or aqueous emulsion containing a solid polymeric material, or wherein a fibrous material is part of an aqueous latex, aqueous emulsion, or aqueous dispersion containing a previously formed solid polymeric material.










Patents under this class:

Patent Number Title Of Patent Date Issued
8664285 Composite material Mar. 4, 2014
RE39339 Compositions for manufacturing fiber-reinforced, starch-bound articles having a foamed cellular matrix Oct. 17, 2006
6596389 Foamed composite panel with improved acoustics and durability Jul. 22, 2003
6346557 Porous material, method for making same and applications Feb. 12, 2002
5780519 Light weight lignocellulosic molding products Jul. 14, 1998
5696175 Preparation of bonded fiber structures for cell implantation Dec. 9, 1997
5662731 Compositions for manufacturing fiber-reinforced, starch-bound articles having a foamed cellular matrix Sep. 2, 1997
5660900 Inorganically filled, starch-bound compositions for manufacturing containers and other articles having a thermodynamically controlled cellular matrix Aug. 26, 1997
5612385 Aerated fibrous foam compositions Mar. 18, 1997
5607983 Foamable plant fiber composition and the foamed material and article thereof Mar. 4, 1997
5512600 Preparation of bonded fiber structures for cell implantation Apr. 30, 1996
5384337 Poromeric material having uniformly distributed electrets for maintaining an electrostatic charge Jan. 24, 1995
5124363 Aqueous air foams of polyhydroxy polymer Jun. 23, 1992
5100936 Cellulose fiber filled aminoplast resin compositions for flame retarding polyurethane foams Mar. 31, 1992
5026735 Treatment of hazardous materials with aqueous air foam of polyhydroxy polymer Jun. 25, 1991
4882361 Process for the production of polyurethane urea elastomers Nov. 21, 1989
4804688 Open-cell foamed gypsum insulation Feb. 14, 1989
4644014 Foamed insulation and process for producing the same Feb. 17, 1987
4622238 Process for the production of bulky, fibrous textile sheet materials Nov. 11, 1986
4613627 Process for the manufacture of shaped fibrous products and the resultant product Sep. 23, 1986
4590220 Method of producing a silicone water-based elastomer May. 20, 1986
4584324 Silicone foam, water-based, aerosol composition Apr. 22, 1986
4572917 Silicone wear base elastomeric foam Feb. 25, 1986
4559369 Silicone foam, water-based, aerosol composition Dec. 17, 1985
4504602 Sprayable acoustical composition Mar. 12, 1985
4501825 Tire sealer and inflator Feb. 26, 1985
4463039 Sprayable acoustical composition Jul. 31, 1984
4447560 Low density fibrous sheet material May. 8, 1984
4443562 Method and apparatus for producing lightweight cellular materials and structural articles Apr. 17, 1984
4337594 Mushroom casing composition and process Jul. 6, 1982
4318998 Cellular plastic additive Mar. 9, 1982
4277568 Sealant material Jul. 7, 1981
4251413 Sealant material Feb. 17, 1981











 
 
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