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Class Information
Number: 521/84.1
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 is protein, carbohydrate, or natural resin
Description: Subject matter wherein the stated ingredient is a protein, carbohydrate, natural resin, or derivatives thereof.

Patents under this class:
1 2 3 4 5 6

Patent Number Title Of Patent Date Issued
8575226 Vegetable oil-based coating and method for application Nov. 5, 2013
8524790 Starch film and method for manufacturing starch foam Sep. 3, 2013
8487014 Silica filler pretreated with bio-based polyol and elastomer composition containing the same Jul. 16, 2013
8450383 Extruded polymer foams containing esters of a sugar and a brominated fatty acid as a flame retardant additive May. 28, 2013
8293808 Flexible polyurethane foams prepared using modified vegetable oil-based polyols Oct. 23, 2012
8182921 Self-adhesive expandable silicone compositions for the production of silicone foam composite parts May. 22, 2012
8143322 Pump and pumping system for microfluidic lab-on-a-chip using porous structure and fabricating method thereof Mar. 27, 2012
8080589 Method for producing a bio-based polymeric shoe component Dec. 20, 2011
8080590 Porous polymeric matrices made of natural polymers and synthetic polymers and optionally at least one cation and methods of making Dec. 20, 2011
8080596 Biodegradable plastic material and method for producing the same Dec. 20, 2011
7923478 Nanoporous polymeric material and preparation method Apr. 12, 2011
7887727 Preparing method of microporous polyolefin film through effective extrusion Feb. 15, 2011
7638560 Thermoplastic and polymer foams and method of preparation thereof Dec. 29, 2009
7585929 Preparation and uses for polyarylates Sep. 8, 2009
7563830 Method for the production of biodegradable foamed products Jul. 21, 2009
7446131 Porous polymeric matrices made of natural polymers and synthetic polymers and optionally at least one cation and methods of making Nov. 4, 2008
7332214 Biodegradable molded article, manufacturing method thereof, and composition for expansion molding Feb. 19, 2008
7273894 Compositions for the preparation of void-containing articles Sep. 25, 2007
7259190 Adhesive composition Aug. 21, 2007
7238729 Silica mesoporous aerogels having three-dimensional nanoarchitecture with colloidal gold-protein superstructures nanoglued therein Jul. 3, 2007
7226615 Expandable foam-like biomaterials and methods Jun. 5, 2007
7138078 Process for producing foarmed articles and the foamed article Nov. 21, 2006
RE39339 Compositions for manufacturing fiber-reinforced, starch-bound articles having a foamed cellular matrix Oct. 17, 2006
7064113 Resin composition, method of molding the same, and method of recycling resin composition Jun. 20, 2006
6971211 Cellulosic/polymer composite material Dec. 6, 2005
6960617 Hydrogels having enhanced elasticity and mechanical strength properties Nov. 1, 2005
RE38773 High performance biodegradable materials from oriented starch derivatives Aug. 9, 2005
6903143 Process for producing thermo-expansive microcapsules Jun. 7, 2005
6890965 Foamed composites and methods for making same May. 10, 2005
6881763 Plastic material Apr. 19, 2005
6867239 Plastic material Mar. 15, 2005
6863971 Strong durable low cost composite materials made from treated cellulose and plastic Mar. 8, 2005
6864296 Plastic material Mar. 8, 2005
6846849 Saccharide-based resin for the preparation of foam Jan. 25, 2005
6824776 Silica mesoporous aerogels having three-dimensional nanoarchitecture with colloidal gold-protein superstructures nanoglued therein Nov. 30, 2004
6822042 Saccharide-based resin for the preparation of composite products Nov. 23, 2004
6811980 Process for immobilization of nucleic acid molecules on a substrate Nov. 2, 2004
6806298 Sprayable composition and method for forming a foamed outdoor protective cover layer Oct. 19, 2004
6800668 Syntactic deformable foam compositions and methods for making Oct. 5, 2004
6784216 ABS foam and method of making same Aug. 31, 2004
6774151 Method of producing an absorbent foam material Aug. 10, 2004
6712517 Sleeve bearing arrangement Mar. 30, 2004
6696146 Mono-or biaxially-stretched polyester resin foamed sheets and films Feb. 24, 2004
6673286 Method of making porous biodegradable polymers Jan. 6, 2004
6670454 Method for crosslinking porous biodegradable polymers Dec. 30, 2003
6630167 Hyaluronic acid anti-adhesion barrier Oct. 7, 2003
6596124 Forming process for cellulose paper based honeycomb structures Jul. 22, 2003
6596389 Foamed composite panel with improved acoustics and durability Jul. 22, 2003
6590004 Foam composite wood replacement material Jul. 8, 2003
6573308 Biologically degradable foamed material particles Jun. 3, 2003

1 2 3 4 5 6

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