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Class Information
Number: 521/131
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 only carbon and hydrogen atoms, only c and halogen atoms, or only c, h, and halogen atoms
Description: Subject matter wherein the stated ingredient contains (1) only carbon and hydrogen atoms, or (2) only carbon, hydrogen, and halogen atoms, or (3) only carbon and halogen atoms.
Sub-classes under this class:
Patents under this class:
| Patent Number |
Title Of Patent |
Date Issued |
| 7449438 |
Foam premixes having improved processability |
Nov. 11, 2008 |
| 7435762 |
Fire resistant foam and foam products, method and dispersions for making same |
Oct. 14, 2008 |
| 7432312 |
Polyurethane foam having deodorization property or antibacterial effect |
Oct. 7, 2008 |
| 7388037 |
Low-resilience flexible polyurethane foam and process for producing the same |
Jun. 17, 2008 |
| 7388036 |
Flexible polyurethane foam, process for its production, and seat for automobile employing it |
Jun. 17, 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 |
| 7309459 |
Azeotropic compositions of cyclopentane |
Dec. 18, 2007 |
| 7300961 |
Polyol compositions useful for preparing dimensionally stable, low density water-blown rigid foams and the processes related thereto |
Nov. 27, 2007 |
| 7294654 |
Method of making thermally regenerable salt sorbent resins |
Nov. 13, 2007 |
| 7288211 |
Hydrofluorocarbon blown foam and method for preparation thereof |
Oct. 30, 2007 |
| 7285577 |
Method for producing rigid polyurethane foam |
Oct. 23, 2007 |
| 7262227 |
Process for producing synthetic resin foam, blowing agent and premix |
Aug. 28, 2007 |
| 7230036 |
Foam insulation made with expandable microspheres and methods |
Jun. 12, 2007 |
| 7223801 |
Joint fill composition and method |
May. 29, 2007 |
| 7214294 |
Azeotrope-like compositions of pentafluoropropane and water |
May. 8, 2007 |
| 7195726 |
Internal mold release for low density reaction injection molded polyurethane foam |
Mar. 27, 2007 |
| 7183331 |
Method for producing a rigid polyurethane foam |
Feb. 27, 2007 |
| 7183330 |
Silicone surfactants for rigid polyurethane foam made with hydrocarbon blowing agents |
Feb. 27, 2007 |
| 7179845 |
Elastomeric latex foams |
Feb. 20, 2007 |
| 7160930 |
Water blown polyurethane spray foam system |
Jan. 9, 2007 |
| 7144926 |
Blowing agent blends |
Dec. 5, 2006 |
| 7141613 |
Flame resistant rigid foams and formulations for the production thereof |
Nov. 28, 2006 |
| 7105578 |
Blowing agent blends |
Sep. 12, 2006 |
| 7098255 |
Process for producing polyurethane foam |
Aug. 29, 2006 |
| 7098254 |
Foam premixes having improved processability |
Aug. 29, 2006 |
| 7078443 |
Viscoelastic foam layer and composition |
Jul. 18, 2006 |
| 7078442 |
Method of consolidating sand or gravel into a solid mass |
Jul. 18, 2006 |
| 7066724 |
Apparatus for flatproofing a tire and wheel assembly |
Jun. 27, 2006 |
| 7060736 |
Blowing agent solubility in polymers |
Jun. 13, 2006 |
| 7053132 |
Blowing agent blends |
May. 30, 2006 |
| 7008974 |
Composition for preparing rigid polyurethane foam having good demolding property |
Mar. 7, 2006 |
| 6921779 |
Blowing agent enhancers for polyurethane foam production |
Jul. 26, 2005 |
| 6878752 |
Method for making one-container rigid foam |
Apr. 12, 2005 |
| 6861452 |
Composition for production of flame-retardant flexible polyurethane foams |
Mar. 1, 2005 |
| 6861454 |
Raw materials for anti-cracking polyurethane foams and method for preparing the same |
Mar. 1, 2005 |
| 6855742 |
Agents for reducing the force-to-crush (FTC) of high support flexible foams |
Feb. 15, 2005 |
| 6849667 |
Foam of thermoplastic urethane elastomer composition and process for producing the foam |
Feb. 1, 2005 |
| 6846850 |
Rigid polyurethane foams with improved properties |
Jan. 25, 2005 |
| 6846792 |
Hydrofluorocarbon compositions |
Jan. 25, 2005 |
| 6822011 |
Water-blown foams of low apparent density |
Nov. 23, 2004 |
| 6818675 |
Process for preparing polyurethane foam |
Nov. 16, 2004 |
| 6815047 |
Foamed thermoplastic resin sheet and manufacturing method of the same |
Nov. 9, 2004 |
| 6793845 |
Foam premixes having improved processability |
Sep. 21, 2004 |
| 6790820 |
Compositions of hydrofluorocarbons and trans-1,2-dichloroethylene |
Sep. 14, 2004 |
| 6787580 |
Water-free preparation process for multimodal thermoplastic polymer foam and foam therefrom |
Sep. 7, 2004 |
| 6784150 |
Composition of pentafluoropropane, pentafluoropropane and water |
Aug. 31, 2004 |
| 6777382 |
Compositions of hydrofluorocarbons and methanol |
Aug. 17, 2004 |
| 6777456 |
Method for producing a rigid polyurethane foam |
Aug. 17, 2004 |
| 6777455 |
Process for producing polyurethane foam |
Aug. 17, 2004 |
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