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Class Information
Number: 521/175
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 > C-x-c reactant contains a carbohydrate group
Description: Subject matter wherein the -XH containing -C-X-C- reactant contains a carbohydrate group.
Patents under this class:
| Patent Number |
Title Of Patent |
Date Issued |
| 7307136 |
Polyurethane elastomers |
Dec. 11, 2007 |
| 7151121 |
Polyurethane containing a polyol composition comprising a highly branched polysaccharide, mix and process for preparation thereof |
Dec. 19, 2006 |
| 6884824 |
Process for preparing an elastomer |
Apr. 26, 2005 |
| 6846849 |
Saccharide-based resin for the preparation of foam |
Jan. 25, 2005 |
| 6822042 |
Saccharide-based resin for the preparation of composite products |
Nov. 23, 2004 |
| 6710096 |
Polyether polyol for foam applications |
Mar. 23, 2004 |
| 6495652 |
Prepolymers containing isocyanate groups and a method for the production thereof |
Dec. 17, 2002 |
| 6495611 |
Polyisocyanate polyaddition products |
Dec. 17, 2002 |
| 6420446 |
Polyurethane prepared from sorbitol-branched polyesters |
Jul. 16, 2002 |
| 6228899 |
Production of flexible polyurethane foams |
May. 8, 2001 |
| 6114402 |
Modified rigid, foamable urethane composition and method |
Sep. 5, 2000 |
| 6034197 |
Polyol blend, multi-component system for producing polyurethane foam, and foam produced thereby |
Mar. 7, 2000 |
| 6013691 |
Expansible sealant compositions and blowing agents |
Jan. 11, 2000 |
| 5895792 |
Production of rigid polyurethane foams |
Apr. 20, 1999 |
| 5874485 |
Flexible foams and flexible molded foams based on allophanate-modified diphenylmethane diisocyanates and processes for the production of these foams |
Feb. 23, 1999 |
| 5874484 |
Use of polyol mixtures in rigid and semi-rigid polyurethane foams |
Feb. 23, 1999 |
| 5834529 |
Pressurized, blowing agent-containing isocyanate semiprepolymer mixtures based on lignin-polyether polyols and their use for producing polyurethane foams |
Nov. 10, 1998 |
| 5693686 |
Foam-forming mixtures with decreased decomposition of hydrohalocarbon blowing agents |
Dec. 2, 1997 |
| 5690855 |
Polyol blend, cellular polyurethane foam product made therefrom, and halogenated hydrocarbon-free process therefor |
Nov. 25, 1997 |
| 5652279 |
Polyether polyols suitable for flexible polyurethane foam prepared by co-initiation of aqueous solutions of solid polyhydroxyl initiators |
Jul. 29, 1997 |
| 5596059 |
Polyether polyols suitable for mflexible polyurethane foam prepared by co-initiation of aqueous solutions of solid polyhydroxyl initiators |
Jan. 21, 1997 |
| 5455283 |
Dimensionally stable closed cell rigid polyisocyanate based foam prepared from a froth foaming mixture |
Oct. 3, 1995 |
| 5407596 |
Polyols for the production of foams with HCFC blowing agents |
Apr. 18, 1995 |
| 5401785 |
Foamed polyurethane-forming composition, foamed polyurethane and process making the same |
Mar. 28, 1995 |
| 5373030 |
Polyurethane foams having improved retention of insulative properties and methods for the preparation thereof |
Dec. 13, 1994 |
| 5360900 |
Aromatic polyester polyol |
Nov. 1, 1994 |
| 5274007 |
Rigid foams using CHCLF.sub.2 as a blowing agent |
Dec. 28, 1993 |
| 5260344 |
Open cell rigid isocyanurate foams and method for producing the same and vacuum heat insulating layer by use of the same |
Nov. 9, 1993 |
| 5227409 |
Removable polyurethane adhesive |
Jul. 13, 1993 |
| 5225101 |
Polyol compositions for producing rigid polyurethane foams |
Jul. 6, 1993 |
| 5216040 |
Rigid polyurethane foam and process for producing the same |
Jun. 1, 1993 |
| 5194175 |
Rigid foams, methods for preparation thereof and compositions useful in methods and preparations thereof |
Mar. 16, 1993 |
| 5183830 |
Method for the preparation of highly elastic forms of reduced compression hardness having polyurethane groups |
Feb. 2, 1993 |
| 5177119 |
Polyurethane foams blown only with water |
Jan. 5, 1993 |
| 5137934 |
Alkylene oxide adducts and polyurethane foams prepared therefrom |
Aug. 11, 1992 |
| 5135961 |
Stabilized flame retardant polyol composition |
Aug. 4, 1992 |
| 5130344 |
Use of polysiloxane polyoxyalkylene block copolymers for the preparation of rigid polyurethane foams |
Jul. 14, 1992 |
| 5091438 |
Method of producing rigid urethane foam |
Feb. 25, 1992 |
| 5034425 |
Rigid polyurethane foam, process for producing the same, and heat insulators and refrigerators using such polyurethane foam |
Jul. 23, 1991 |
| 5032623 |
Rigid foams using CHClF.sub.2 as a blowing agent |
Jul. 16, 1991 |
| 5001167 |
Solvent resistant polyetherpolyurethane products |
Mar. 19, 1991 |
| 4943597 |
Polyether polyol formulations for hard CFC replacement by water blowing in rigid polyurethane foams |
Jul. 24, 1990 |
| 4929646 |
Polyurethane foam prepared using high functionality cell openers |
May. 29, 1990 |
| 4927861 |
Rigid polyurethane preparation process |
May. 22, 1990 |
| 4902816 |
Polyols from phthalic compounds |
Feb. 20, 1990 |
| 4877879 |
Preparation of polyether compositions |
Oct. 31, 1989 |
| 4863976 |
Polyurethane foam prepared using high functionalilty cell openers |
Sep. 5, 1989 |
| 4782099 |
Process for the production of elastic, open-celled flexible polyurethane foams having increased compression hardness |
Nov. 1, 1988 |
| 4752626 |
Method of making low compression set urethane foams |
Jun. 21, 1988 |
| 4743629 |
Crosslinked polyetherurethane membranes useful in blood electrolyte sensors |
May. 10, 1988 |
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