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Browse by Category: Main > Material Science
Class Information
Number: 521/89
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 subsequent to solid polymer formation in the presence of a stated ingredient, noncellular composition capable of forming a cellular product and containing a stated ingredient, or process of preparing same > Ingredient contains a sulfur atom
Description: Subject matter wherein the stated ingredient contains a sulfur atom.










Patents under this class:
1 2 3 4 5

Patent Number Title Of Patent Date Issued
8629195 Production of polyurethane foams Jan. 14, 2014
8481604 Expandable polysiloxanes Jul. 9, 2013
8153701 Extrusion of a foamable fluoropolymer Apr. 10, 2012
7939573 Modified blowing agent surface-treated with metallic siloxylated compound and polymer resin composition including the same May. 10, 2011
7906560 Vulcanized rubber molded product, method of producing the same, and use of the molded product Mar. 15, 2011
7763578 Preparation of polymeric foams using hydrofluoroether nucleating agents Jul. 27, 2010
7662324 Polymer processing aid and method for processing polymers Feb. 16, 2010
7247657 Expandable compositions and methods of making and using the compositions Jul. 24, 2007
7030168 Supercritical fluid-assisted deposition of materials on semiconductor substrates Apr. 18, 2006
6995203 Flame retardant polymer compositions Feb. 7, 2006
6894082 Foamable compositions May. 17, 2005
6831113 Amine-modified epoxy resin reacted in presence of latent hardener Dec. 14, 2004
6812262 Silane-crosslinking expandable polyolefin resin composition and crosslinked foam Nov. 2, 2004
6743830 Construction board materials with engineered microstructures Jun. 1, 2004
6610756 Inorganic/organic composite foam and process for producing the same Aug. 26, 2003
6608115 Polyvinyl chloride resins and method of preparation and use in the production of whitened polyvinyl chloride foam Aug. 19, 2003
6605649 Method of production of whitened polyvinyl chloride foam Aug. 12, 2003
6512013 Titanium dioxide nucleating agent systems for foamable polymer compositions Jan. 28, 2003
6506809 Titanium dioxide nucleating agent systems for foamable polymer compositions Jan. 14, 2003
6500873 Polyvinyl chloride resins and method of preparation and use in the production of whitened polyvinyl chloride foam Dec. 31, 2002
6469078 Molecular weight increase and modification of polycondensates Oct. 22, 2002
6451876 Two component thermosettable compositions useful for producing structural reinforcing adhesives Sep. 17, 2002
6441055 Sensor membrane for determining oxygen concentrations and process for the preparation thereof Aug. 27, 2002
6403663 Method of making foamed materials using surfactants and carbon dioxide Jun. 11, 2002
6395795 Titanium dioxide nucleating agent systems for foamable polymer compositions May. 28, 2002
6278021 Reduced particle-size urea Aug. 21, 2001
6184293 Molding composition based on fluoropolymers and process for producing foam material therefrom Feb. 6, 2001
6140379 Chemically embossed metallocene polyethylene foam Oct. 31, 2000
6111020 Crosslinked foams from blends of ethylene vinyl acetate and ethylene-styrene interpolymers Aug. 29, 2000
6075063 Method and foamable material for foaming or foam-coating components Jun. 13, 2000
6054540 Vinyl aromatic polymer coupling and foams Apr. 25, 2000
6040351 Foam rubber composition and a molded product of foam rubber Mar. 21, 2000
6031012 Curable composition, foam produced therefrom, and process for producing the foam Feb. 29, 2000
5929128 Gaskets made from olefin polymers Jul. 27, 1999
5911904 Foamable insulating barrier coating Jun. 15, 1999
5866625 PVC foam compositions Feb. 2, 1999
5856002 Polymeric foam with antibacterial and mildewproofing functions Jan. 5, 1999
5853618 Foam Dec. 29, 1998
5852064 Foamed and cross-linked phenolic resin and method for making same Dec. 22, 1998
5821274 Stabilizer and blowing agent useful for rigid foamed PVC Oct. 13, 1998
5786399 PVC foam compositions Jul. 28, 1998
5783613 PVC foam compositions Jul. 21, 1998
5753719 PVC foam compositions May. 19, 1998
5726213 PVC foamed compositions Mar. 10, 1998
5721282 Molding composition based on fluoropolymers and process for producing foam material therefrom Feb. 24, 1998
5721281 Flame retardant porous plastics Feb. 24, 1998
5712318 Two-part nucleating agent system Jan. 27, 1998
5710188 PVC foam compositions Jan. 20, 1998
5708040 Method for preparing porous membranes utilizing water or organic vapor adsorption Jan. 13, 1998
5705538 Composition for obtaining foamed polyvinylchloride material and method of obtaining it Jan. 6, 1998

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