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Class Information
Number: 521/121
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 contains a sulfur atom > Sulfur atom is part of an organic compound
Description: Subject matter wherein the sulfur atom is part of an organic compound.
Patents under this class:
| Patent Number |
Title Of Patent |
Date Issued |
| 6894139 |
Catalysts, in particular for the preparation of polyisocyanate polyadducts |
May. 17, 2005 |
| 6740731 |
Degradation control of environmentally degradable disposable materials |
May. 25, 2004 |
| 6660780 |
Molecularly-imprinted material made by template-directed synthesis |
Dec. 9, 2003 |
| 6583191 |
Molecularly-imprinted material made by template-directed synthesis |
Jun. 24, 2003 |
| 6528549 |
Rigid polyurethane foams |
Mar. 4, 2003 |
| 6403665 |
Rigid polyurethane foams |
Jun. 11, 2002 |
| 6310110 |
Molecularly-imprinted material made by template-directed synthesis |
Oct. 30, 2001 |
| 6294589 |
Polyurethane composition containing antimicrobial agents and methods for use therefor |
Sep. 25, 2001 |
| 6278021 |
Reduced particle-size urea |
Aug. 21, 2001 |
| 6271278 |
Hydrogel composites and superporous hydrogel composites having fast swelling, high mechanical strength, and superabsorbent properties |
Aug. 7, 2001 |
| 6211259 |
Low volatile reinforcing system |
Apr. 3, 2001 |
| 6207725 |
Rigid polyurethane foams |
Mar. 27, 2001 |
| 6169124 |
Inner parting agents for producing self-parting moldings made of polyisocyanate polyaddition products |
Jan. 2, 2001 |
| 6107355 |
Production of polyurethane foams |
Aug. 22, 2000 |
| 6077927 |
Process for coloring polymer resins and products thereof |
Jun. 20, 2000 |
| 6063824 |
Microcellular urea-containing polyurethane elastomer |
May. 16, 2000 |
| 6057376 |
Process to prepare low density porous crosslinked polymeric materials |
May. 2, 2000 |
| 6046706 |
Antenna mast and method of using same |
Apr. 4, 2000 |
| 5864002 |
Process for coloring polymer resins and products thereof |
Jan. 26, 1999 |
| 5852064 |
Foamed and cross-linked phenolic resin and method for making same |
Dec. 22, 1998 |
| 5844013 |
Hydrophilic polyurethane gel foams, particularly for treating deep wounds, wound dressing based on hydrophilic polyurethane gel foams and method of manufacture |
Dec. 1, 1998 |
| 5801209 |
EPDM compositions and process for producing same |
Sep. 1, 1998 |
| 5798533 |
Polyol compositions having good flow and water blown rigid polyurethane foams made thereby having good dimensional stability |
Aug. 25, 1998 |
| 5760099 |
Production of rigid or semirigid polyurethane foams and composite elements comprising such polyurethane foams |
Jun. 2, 1998 |
| 5741827 |
Production of flame-resistant flexible polyurethane foams |
Apr. 21, 1998 |
| 5721281 |
Flame retardant porous plastics |
Feb. 24, 1998 |
| 5710190 |
Soy protein-based thermoplastic composition for foamed articles |
Jan. 20, 1998 |
| 5705951 |
Method for correction of error signals in a signal amplification system and an apparatus used for that purpose |
Jan. 6, 1998 |
| 5700845 |
Carbon black containing EPDM compositions and process for producing same |
Dec. 23, 1997 |
| 5696174 |
Stable and water-resistant aqueous foam composition |
Dec. 9, 1997 |
| 5646195 |
Catalyst for polyurethane carpet backings and carpets prepared therewith |
Jul. 8, 1997 |
| 5599851 |
Superfine microelemental biochemical mixture and foamed plastic products thereof |
Feb. 4, 1997 |
| 5587448 |
Reaction system for producing a polyurethane and method of using same to seal a surface |
Dec. 24, 1996 |
| 5561170 |
Preparation of expandable thermoplastic polymers by post-impregnation |
Oct. 1, 1996 |
| 5514723 |
Water-blown integral skin polyurethane foams and catalysts useful therein |
May. 7, 1996 |
| 5492940 |
Acrylic/lactam resin compositions and method of producing same |
Feb. 20, 1996 |
| 5472639 |
Electroconductive foams |
Dec. 5, 1995 |
| 5391584 |
Manufacture of rigid foams and compositions therefor |
Feb. 21, 1995 |
| 5373028 |
Polyurethane foams having reduced visible emissions during curing |
Dec. 13, 1994 |
| 5342881 |
Process for the standardization and stabilization of organic polyisocyanates and the stable products of this process |
Aug. 30, 1994 |
| 5331016 |
Plastic moldings made of water-expanded polymer resin |
Jul. 19, 1994 |
| 5312845 |
Rim polyol blends containing acidic siloxane internal mold release agents and tin catalysts |
May. 17, 1994 |
| 5308877 |
Resins with high surface areas and porosities |
May. 3, 1994 |
| 5278197 |
Soft, flexible polyurethane foam |
Jan. 11, 1994 |
| 5268394 |
Stabilization of polyoxyalkylene polyether polyols |
Dec. 7, 1993 |
| 5256726 |
Reactive systems and a process for the preparation of polyurethane plastics |
Oct. 26, 1993 |
| 5254599 |
Plastic moldings made of water-expanded polymer resin |
Oct. 19, 1993 |
| 5240965 |
Manufacture of cellular polymers and compositions therefor |
Aug. 31, 1993 |
| 5238969 |
Process for the preparation of charged thermosetting compounds of the polyurethane type and compounds obtained thereby |
Aug. 24, 1993 |
| 5238970 |
Manufacture of rigid foams and compositions therefor |
Aug. 24, 1993 |
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