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Class Information
Number: 521/172
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 group, e.g., carboxylic acid ester, etc.
Description: Subject matter wherein XH reactant contains a (X is a chalcogen atom) group.
Sub-classes under this class:
Patents under this class:
| Patent Number |
Title Of Patent |
Date Issued |
| 7414080 |
Polyurethane polishing pad |
Aug. 19, 2008 |
| 7393465 |
Hydrophobic polyols of low viscosity |
Jul. 1, 2008 |
| 7390867 |
Isocyanate adducts |
Jun. 24, 2008 |
| 7300961 |
Polyol compositions useful for preparing dimensionally stable, low density water-blown rigid foams and the processes related thereto |
Nov. 27, 2007 |
| 7268204 |
Complex of a multimetal cyanide compound and methods of forming polyethercarbonate polyols |
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 |
| 7230037 |
Method for mixing a polyol component and an isocyanate component |
Jun. 12, 2007 |
| 7202284 |
Foamed thermoplastic polyurethanes |
Apr. 10, 2007 |
| 7183330 |
Silicone surfactants for rigid polyurethane foam made with hydrocarbon blowing agents |
Feb. 27, 2007 |
| 7141613 |
Flame resistant rigid foams and formulations for the production thereof |
Nov. 28, 2006 |
| 7125950 |
Polyol fatty acid polyesters process and polyurethanes therefrom |
Oct. 24, 2006 |
| 7084230 |
Oxylated vegetable-based polyol having increased functionality and urethane materials formed using the polyol |
Aug. 1, 2006 |
| 7066724 |
Apparatus for flatproofing a tire and wheel assembly |
Jun. 27, 2006 |
| 7008974 |
Composition for preparing rigid polyurethane foam having good demolding property |
Mar. 7, 2006 |
| 7005458 |
Static dissipative polyurethane foams |
Feb. 28, 2006 |
| 6960618 |
Preparation method for rigid polyurethane foam |
Nov. 1, 2005 |
| 6894083 |
Polyurethane foam composition |
May. 17, 2005 |
| 6878753 |
Process for producing polyurethane foam |
Apr. 12, 2005 |
| 6872758 |
Polyurethane foams and method of manufacture thereof |
Mar. 29, 2005 |
| 6861454 |
Raw materials for anti-cracking polyurethane foams and method for preparing the same |
Mar. 1, 2005 |
| 6858699 |
Polyurethane elastomers and processes for their preparation and use |
Feb. 22, 2005 |
| 6852825 |
Polyester urethanes |
Feb. 8, 2005 |
| 6849666 |
Polyurethanes containing dispersed crystalline polyesters |
Feb. 1, 2005 |
| 6846850 |
Rigid polyurethane foams with improved properties |
Jan. 25, 2005 |
| 6841586 |
Felted hydrophilic ester polyurethane foams |
Jan. 11, 2005 |
| 6833390 |
Process for preparing closed-cell water-blown rigid polyurethane foams having improved mechanical properties |
Dec. 21, 2004 |
| 6818675 |
Process for preparing polyurethane foam |
Nov. 16, 2004 |
| 6808800 |
Rigid polyurethane foam and heat insulating construction element comprising the same |
Oct. 26, 2004 |
| 6784220 |
Polyurethane foam |
Aug. 31, 2004 |
| 6774154 |
Semiflexible and flexible polyurethanes foams having low fogging characteristics and improved physical properties |
Aug. 10, 2004 |
| 6762278 |
Process for the copolymerization of alkylene oxides and carbon dioxide using suspensions of multi-metal cyanide compounds |
Jul. 13, 2004 |
| 6756416 |
Hydrophilic ester polyurethane foams |
Jun. 29, 2004 |
| 6753357 |
Rigid foam compositions and method employing methyl formate as a blowing agent |
Jun. 22, 2004 |
| 6750265 |
Prepolymer compostion for insulating foams |
Jun. 15, 2004 |
| 6740686 |
Process for the manufacture of polyurethane foam, amine polyesterpolyol used in this process and foam obtained |
May. 25, 2004 |
| 6737471 |
Polyurethane elastomers which exhibit improved stability to hydrolysis |
May. 18, 2004 |
| 6710095 |
Polyol containing glycol adduct for use in producing rigid foam |
Mar. 23, 2004 |
| 6706774 |
Two-component on-site foam system and its use for foaming openings for the purpose of fire protection |
Mar. 16, 2004 |
| 6696505 |
Preparation of polyurethane foams |
Feb. 24, 2004 |
| 6667416 |
Method and apparatus for producing polyester polyol, polyester polyol and polyurethane foam |
Dec. 23, 2003 |
| 6660782 |
Rigid polyurethane foams and method to form said foams using low molecular weight diols and triols |
Dec. 9, 2003 |
| 6660781 |
Process for preparing polyurethane foam |
Dec. 9, 2003 |
| 6646020 |
Isopropyl chloride with hydrofluorocarbon or hydrofluoroether as foam blowing agents |
Nov. 11, 2003 |
| 6638989 |
Method of preparing polyurethane-modified polyisocyanurate foam |
Oct. 28, 2003 |
| 6638990 |
Flame-laminable polyurethane foams |
Oct. 28, 2003 |
| 6635685 |
Rigid polyurethane foam and process for producing the same |
Oct. 21, 2003 |
| 6632851 |
Flame-laminable polyurethane foams |
Oct. 14, 2003 |
| 6602927 |
Polyisocyanurate foams |
Aug. 5, 2003 |
| 6586485 |
Production of flexible polyurethane foams |
Jul. 1, 2003 |
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