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Class Information
Number: 521/97
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 carbon atom double-bonded to oxygen, e.g., carbon dioxide, carboxylic acid, etc.
Description: Subject matter wherein the stated ingredient contains a group, etc., carbonates, carbon dioxide, carboxylic acids, etc.
Patents under this class:
| Patent Number |
Title Of Patent |
Date Issued |
| 7364788 |
Fiber-filled molded articles |
Apr. 29, 2008 |
| 7307105 |
Thermoplastic foams made with methyl formate-based blowing agents |
Dec. 11, 2007 |
| 7265160 |
Crosslinked biodegradable resin continuous foamed sheet and method for production thereof |
Sep. 4, 2007 |
| 7226615 |
Expandable foam-like biomaterials and methods |
Jun. 5, 2007 |
| 7173070 |
Foam cushion and method of making and using the same |
Feb. 6, 2007 |
| 7160939 |
Active masterbatch for production of CO2 generating masterbatch |
Jan. 9, 2007 |
| 7118696 |
Method of forming light dispersing fiber and fiber formed thereby |
Oct. 10, 2006 |
| 7049348 |
Resorbable structure for treating and healing of tissue defects |
May. 23, 2006 |
| 7029609 |
Composition which can be foamed from a pressurized container for producing insulating foams |
Apr. 18, 2006 |
| 7030168 |
Supercritical fluid-assisted deposition of materials on semiconductor substrates |
Apr. 18, 2006 |
| 6903143 |
Process for producing thermo-expansive microcapsules |
Jun. 7, 2005 |
| 6900267 |
Methods of CO2-assisted reactive extrusion |
May. 31, 2005 |
| 6890964 |
Homopolymerized epoxy-based form-in-place material |
May. 10, 2005 |
| 6872757 |
Expandable composition, blowing agent, and process for extruded thermoplastic foams |
Mar. 29, 2005 |
| 6872756 |
Foam comprising ethylene/vinyl acetate copolymer |
Mar. 29, 2005 |
| 6870003 |
Process for production of modified thermoplastic resin and modified thermoplastic resins |
Mar. 22, 2005 |
| 6852764 |
Blend for masterbatches |
Feb. 8, 2005 |
| 6800668 |
Syntactic deformable foam compositions and methods for making |
Oct. 5, 2004 |
| 6787580 |
Water-free preparation process for multimodal thermoplastic polymer foam and foam therefrom |
Sep. 7, 2004 |
| 6765030 |
Methods of forming polymeric structures using carbon dioxide and polymeric structures formed therapy |
Jul. 20, 2004 |
| 6753356 |
Foaming compositions |
Jun. 22, 2004 |
| 6730713 |
Creation of epoxy-based foam-in-place material using encapsulated metal carbonate |
May. 4, 2004 |
| 6716377 |
Use of plastic foams containing swellable fillers for sealing wall channels |
Apr. 6, 2004 |
| 6696146 |
Mono-or biaxially-stretched polyester resin foamed sheets and films |
Feb. 24, 2004 |
| 6686400 |
Foamed and expanded beads of polyester-based resin and foam molding obtained therefrom |
Feb. 3, 2004 |
| 6673286 |
Method of making porous biodegradable polymers |
Jan. 6, 2004 |
| 6638985 |
Uniform small cell foams and a continuous process for making same |
Oct. 28, 2003 |
| 6632850 |
Microporous materials and methods of making the same |
Oct. 14, 2003 |
| 6610755 |
Apparatus and process for making a corrugation-free foam |
Aug. 26, 2003 |
| 6599946 |
Blowing agent composition and polymeric foam containing a normally-liquid hydroflurocarbon and carbon dioxide |
Jul. 29, 2003 |
| 6593384 |
Polymer foam processing with low blowing agent levels |
Jul. 15, 2003 |
| 6583190 |
Expandable composition, blowing agent, and process for extruded thermoplastic foams |
Jun. 24, 2003 |
| 6559194 |
Polyolefin products and process additives therefor having reduced transfer to substrates |
May. 6, 2003 |
| 6550938 |
Lighting fixture employing a partially reflective partially transmittive polymeric reflector |
Apr. 22, 2003 |
| 6548562 |
Foamed thermo-elastic article |
Apr. 15, 2003 |
| 6544450 |
Process for producing thermoformable foam sheet using a physical blowing agent |
Apr. 8, 2003 |
| 6518320 |
Polyolefin products and process additives therefor having reduced transfer to substrates |
Feb. 11, 2003 |
| 6486285 |
Water-swellable polymer gel and process for preparing the same |
Nov. 26, 2002 |
| 6479560 |
Foaming compositions and methods for making and using the composition |
Nov. 12, 2002 |
| 6476080 |
Blowing agent compositions containing hydrofluorocarbons and a low-boiling alcohol and/or low-boiling carbonyl compound |
Nov. 5, 2002 |
| 6465534 |
Elastic sponge |
Oct. 15, 2002 |
| 6451348 |
Method of manufacturing porous matrix-type controlled release systems using emulsion technique |
Sep. 17, 2002 |
| 6444717 |
Foamed polyester resins with flame retardant properties |
Sep. 3, 2002 |
| 6444719 |
Method for producing crystalline methacrylic resin and plastic foam |
Sep. 3, 2002 |
| 6429284 |
Method for treating flame retardant resin composition |
Aug. 6, 2002 |
| 6406645 |
Polyolefin products and process additives therefor having reduced transfer to substrates |
Jun. 18, 2002 |
| 6403666 |
Polyolefin base porous film |
Jun. 11, 2002 |
| 6403663 |
Method of making foamed materials using surfactants and carbon dioxide |
Jun. 11, 2002 |
| 6384095 |
Closed cell polymer foam |
May. 7, 2002 |
| 6359026 |
Method for producing silicone foams |
Mar. 19, 2002 |
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