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Class Information
Number: 521/174
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 derived from a -n=c=x containing reactant wherein x is a chalcogen atom > With -xh reactant wherein x is a chalcogen atom > -xh reactant contains a c-x-c group
Description: Subject matter wherein the -XH reactant contains a -C-X-C group (X is a chalcogen).
Sub-classes under this class:
Patents under this class:
| Patent Number |
Title Of Patent |
Date Issued |
| 7432312 |
Polyurethane foam having deodorization property or antibacterial effect |
Oct. 7, 2008 |
| 7423069 |
Blends of tetrahalophthalate esters and phosphorus-containing flame retardants for polyurethane compositions |
Sep. 9, 2008 |
| 7414080 |
Polyurethane polishing pad |
Aug. 19, 2008 |
| 7393879 |
High resilient silicone foam and process for preparing same |
Jul. 1, 2008 |
| 7393465 |
Hydrophobic polyols of low viscosity |
Jul. 1, 2008 |
| 7390867 |
Isocyanate adducts |
Jun. 24, 2008 |
| 7390839 |
Blends of alkyl substituted triaryl phosphate esters with phosphorus-containing flame retardants for polyurethane foams |
Jun. 24, 2008 |
| 7388036 |
Flexible polyurethane foam, process for its production, and seat for automobile employing it |
Jun. 17, 2008 |
| 7388037 |
Low-resilience flexible polyurethane foam and process for producing the same |
Jun. 17, 2008 |
| 7378454 |
Polyurethane composition and polishing pad |
May. 27, 2008 |
| 7361695 |
Process to manufacture flexible polyurethane foams |
Apr. 22, 2008 |
| 7338983 |
Low density polyurethane foam, method of producing, and articles comprising the same |
Mar. 4, 2008 |
| 7326738 |
Composition and process for forming a flexible polyurethane foam sealing device |
Feb. 5, 2008 |
| 7326362 |
Blowing agent, premix and process for preparing rigid polyurethane foam or polyisocyanurate foam |
Feb. 5, 2008 |
| 7307136 |
Polyurethane elastomers |
Dec. 11, 2007 |
| 7300961 |
Polyol compositions useful for preparing dimensionally stable, low density water-blown rigid foams and the processes related thereto |
Nov. 27, 2007 |
| 7285577 |
Method for producing rigid polyurethane foam |
Oct. 23, 2007 |
| 7268170 |
Foam modifier, foams prepared from this novel foam modifier and a process for the preparation of these foams |
Sep. 11, 2007 |
| 7262227 |
Process for producing synthetic resin foam, blowing agent and premix |
Aug. 28, 2007 |
| 7244772 |
Process for preparing polyurethane polyol and rigid foams therefrom |
Jul. 17, 2007 |
| 7238730 |
Viscoelastic polyurethane foam |
Jul. 3, 2007 |
| 7230036 |
Foam insulation made with expandable microspheres and methods |
Jun. 12, 2007 |
| 7230037 |
Method for mixing a polyol component and an isocyanate component |
Jun. 12, 2007 |
| 7223801 |
Joint fill composition and method |
May. 29, 2007 |
| 7214294 |
Azeotrope-like compositions of pentafluoropropane and water |
May. 8, 2007 |
| 7208531 |
Viscoelastic polyurethane foam |
Apr. 24, 2007 |
| 7202284 |
Foamed thermoplastic polyurethanes |
Apr. 10, 2007 |
| 7199164 |
High-strength black polyurethane foams |
Apr. 3, 2007 |
| 7183330 |
Silicone surfactants for rigid polyurethane foam made with hydrocarbon blowing agents |
Feb. 27, 2007 |
| 7183331 |
Method for producing a rigid polyurethane foam |
Feb. 27, 2007 |
| 7179845 |
Elastomeric latex foams |
Feb. 20, 2007 |
| 7169824 |
Process for preparing a flexible polyurethane foam |
Jan. 30, 2007 |
| 7141613 |
Flame resistant rigid foams and formulations for the production thereof |
Nov. 28, 2006 |
| 7129279 |
Lightweight tire support and composition and method for making a tire support |
Oct. 31, 2006 |
| 7098255 |
Process for producing polyurethane foam |
Aug. 29, 2006 |
| 7094811 |
Energy absorbing flexible foams produced in part with a double metal cyanide catalyzed polyol |
Aug. 22, 2006 |
| 7087657 |
Stable polyol dispersions, polyurethane moldings produced therefrom, and their use |
Aug. 8, 2006 |
| 7084230 |
Oxylated vegetable-based polyol having increased functionality and urethane materials formed using the polyol |
Aug. 1, 2006 |
| 7078443 |
Viscoelastic foam layer and composition |
Jul. 18, 2006 |
| 7078442 |
Method of consolidating sand or gravel into a solid mass |
Jul. 18, 2006 |
| 7053132 |
Blowing agent blends |
May. 30, 2006 |
| 7022746 |
Viscoelastic polyurethanes |
Apr. 4, 2006 |
| 7008973 |
Vacuum cooled foams |
Mar. 7, 2006 |
| 7008974 |
Composition for preparing rigid polyurethane foam having good demolding property |
Mar. 7, 2006 |
| 7005458 |
Static dissipative polyurethane foams |
Feb. 28, 2006 |
| 6979701 |
Thermoplastic polyurethane foam, process for production thereof and polishing pads made of the foam |
Dec. 27, 2005 |
| 6960618 |
Preparation method for rigid polyurethane foam |
Nov. 1, 2005 |
| 6946539 |
Polyurethane and polyurethane-urea comprised of poly(trimethylene-ethylene ether) glycol soft segment |
Sep. 20, 2005 |
| 6946497 |
Process for making visco-elastic foam |
Sep. 20, 2005 |
| 6921779 |
Blowing agent enhancers for polyurethane foam production |
Jul. 26, 2005 |
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