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Class Information
Number: 521/109.1
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. > Cellular product formation prior to or during solid polymer formation in the presence of a stated ingredient other than water > Ingredient is carbohydrate, or natural resin
Description: Subject matter wherein the stated ingredient is a carbohydrate, or natural resin, or derivatives thereof.
Patents under this class:
| Patent Number |
Title Of Patent |
Date Issued |
| 7056957 |
Formation of strong superporous hydrogels |
Jun. 6, 2006 |
| 7041369 |
Melt processable starch composition |
May. 9, 2006 |
| 6960617 |
Hydrogels having enhanced elasticity and mechanical strength properties |
Nov. 1, 2005 |
| 6903149 |
Composition for wood-polymer composite and wood-polymer composite made from the composition |
Jun. 7, 2005 |
| 6881763 |
Plastic material |
Apr. 19, 2005 |
| 6867239 |
Plastic material |
Mar. 15, 2005 |
| 6864296 |
Plastic material |
Mar. 8, 2005 |
| 6863971 |
Strong durable low cost composite materials made from treated cellulose and plastic |
Mar. 8, 2005 |
| 6846849 |
Saccharide-based resin for the preparation of foam |
Jan. 25, 2005 |
| 6822042 |
Saccharide-based resin for the preparation of composite products |
Nov. 23, 2004 |
| 6774152 |
Fiber imbedded polymeric sponge |
Aug. 10, 2004 |
| 6767488 |
Fiber imbedded polymeric sponge production method |
Jul. 27, 2004 |
| 6706774 |
Two-component on-site foam system and its use for foaming openings for the purpose of fire protection |
Mar. 16, 2004 |
| 6660780 |
Molecularly-imprinted material made by template-directed synthesis |
Dec. 9, 2003 |
| 6649667 |
Polyurethane foams having improved heat sag and a process for their production |
Nov. 18, 2003 |
| 6630543 |
Method of making biodegradable polymer compositions |
Oct. 7, 2003 |
| 6583191 |
Molecularly-imprinted material made by template-directed synthesis |
Jun. 24, 2003 |
| 6495611 |
Polyisocyanate polyaddition products |
Dec. 17, 2002 |
| 6465569 |
Plastic material |
Oct. 15, 2002 |
| 6310110 |
Molecularly-imprinted material made by template-directed synthesis |
Oct. 30, 2001 |
| 6271278 |
Hydrogel composites and superporous hydrogel composites having fast swelling, high mechanical strength, and superabsorbent properties |
Aug. 7, 2001 |
| 6228898 |
Biodegradable resin foam and method and apparatus for producing same |
May. 8, 2001 |
| 6180686 |
Cellular plastic material |
Jan. 30, 2001 |
| 6156235 |
Conductive elastomeric foams by in-situ vapor phase polymerization of pyrroles |
Dec. 5, 2000 |
| 6084003 |
Process for making foam using paint sludge |
Jul. 4, 2000 |
| 6018033 |
Hydrophilic, hydrophobic, and thermoreversible saccharide gels and forms, and methods for producing same |
Jan. 25, 2000 |
| 5922780 |
Crosslinked polymers made from 1,3,7-octatriene and like conjugated polyenes |
Jul. 13, 1999 |
| 5922379 |
Biodegradable protein/starch-based thermoplastic composition |
Jul. 13, 1999 |
| 5910515 |
Polyurethane foam |
Jun. 8, 1999 |
| 5877226 |
Thermal insulating foamed material having carbon dioxide adsorbents and method for manufacturing the same |
Mar. 2, 1999 |
| 5859078 |
Polyurethane foam |
Jan. 12, 1999 |
| 5854345 |
Biodegradable polyester and natural polymer compositions and expanded articles therefrom |
Dec. 29, 1998 |
| 5853848 |
Biodegradable foamed product from a starch graft copolymer |
Dec. 29, 1998 |
| 5849806 |
Resilient polyurethane foams of polydiene diols and tackifying resin |
Dec. 15, 1998 |
| 5834529 |
Pressurized, blowing agent-containing isocyanate semiprepolymer mixtures based on lignin-polyether polyols and their use for producing polyurethane foams |
Nov. 10, 1998 |
| 5834535 |
Moldable intumescent polyethylene and chlorinated polyethylene compositions |
Nov. 10, 1998 |
| 5786398 |
Manufacture of insulating foams containing film forming additives |
Jul. 28, 1998 |
| 5763500 |
Expanded solid composition whose matrix comprises a starch-based cellular network and which contains size-graded spheroidal polyamide particles and its uses in topical application |
Jun. 9, 1998 |
| 5744509 |
Foamed polymer and process for production thereof |
Apr. 28, 1998 |
| 5736586 |
Biodegradable foamed plastic materials |
Apr. 7, 1998 |
| 5736588 |
Process for preparing rigid polyurethane foams |
Apr. 7, 1998 |
| 5734043 |
Separating agent for optical isomers |
Mar. 31, 1998 |
| 5721281 |
Flame retardant porous plastics |
Feb. 24, 1998 |
| 5719201 |
Superabsorbent hydrophilic isocyanate-based foam and process for production thereof |
Feb. 17, 1998 |
| 5710190 |
Soy protein-based thermoplastic composition for foamed articles |
Jan. 20, 1998 |
| 5703147 |
Extrudable microporous insulation |
Dec. 30, 1997 |
| 5696174 |
Stable and water-resistant aqueous foam composition |
Dec. 9, 1997 |
| 5674917 |
Superabsorbent hydrophilic isocyanate-based foam and process for production thereof |
Oct. 7, 1997 |
| 5665786 |
Biodegradable polyester and natural polymer compositions and expanded articles therefrom |
Sep. 9, 1997 |
| 5639800 |
Production of flame resistant, halogen-free polyurethane/polyureas |
Jun. 17, 1997 |
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