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Class Information
Number: 521/171
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 halogen atom
Description: Subject matter wherein the -XH (X is a chalcogen) reactant contains a halogen atom.
Patents under this class:
| Patent Number |
Title Of Patent |
Date Issued |
| 6887913 |
Method for producing a rigid foamed synthetic resin |
May. 3, 2005 |
| 6653361 |
Flame retardant polyurethane composition and method of manufacture thereof |
Nov. 25, 2003 |
| 6100359 |
Ablative polyurea foam and prepolymer |
Aug. 8, 2000 |
| 6086784 |
Premixes for the preparation of polyurethane or polyisocyanurate foams |
Jul. 11, 2000 |
| 5889286 |
Premixes for the preparation of polyurethane or polyisocyanurate foams |
Mar. 30, 1999 |
| 5618854 |
Combustion-modified flexible polyurethane foams |
Apr. 8, 1997 |
| 5444100 |
Method for the mixing of low-boiling foaming agent |
Aug. 22, 1995 |
| 5397810 |
Polyol, polyurethane resin and utilization thereof |
Mar. 14, 1995 |
| 5250581 |
Polymer polyols containing halogenated aromatic monomers |
Oct. 5, 1993 |
| 5246978 |
Polyol and rigid polyurethane foam |
Sep. 21, 1993 |
| 5198475 |
Polyol and utilization thereof |
Mar. 30, 1993 |
| 4990545 |
Articles with polyurethane resin having memory shape characteristics and method of utilizing same |
Feb. 5, 1991 |
| 4814360 |
High resiliency molded foam consisting of the reaction product of a polyisocyanate, a polyoxyalkylene polyether polyol, water and a halogenated monohydric alcohol |
Mar. 21, 1989 |
| 4803230 |
Polyols-polyesters and use thereof in the production of polyurethane foams |
Feb. 7, 1989 |
| 4797429 |
Bromine-containing polyols |
Jan. 10, 1989 |
| 4734443 |
Polyurethanes with mono-ol/diol haloneocarbyl polyethers and their esters |
Mar. 29, 1988 |
| 4714720 |
Brominated polyetherpolyols, process for their preparation and the use of brominated polyetherpolyols in the manufacture of rigid polyurethane foams |
Dec. 22, 1987 |
| 4668710 |
Trihalovinyl polyol ethers |
May. 26, 1987 |
| 4621104 |
Process for the production of liquid bromine-containing alkoxylation products |
Nov. 4, 1986 |
| 4564468 |
Flame retardant for polyurethanes |
Jan. 14, 1986 |
| 4511688 |
Flame retardant for use in rigid polyurethane foams |
Apr. 16, 1985 |
| 4486551 |
Method of preparing a flame retarded polyurethane using a flame retarded halogenated polyol |
Dec. 4, 1984 |
| 4468482 |
Flame retarded polyisocyanurate foam made from polyol derived from halogen containing dicarboxylic acid anhydride |
Aug. 28, 1984 |
| 4468481 |
Flame retardant polyurethane modified polyisocyanurate |
Aug. 28, 1984 |
| 4468480 |
Ester and halogen containing polyols |
Aug. 28, 1984 |
| 4468479 |
Ester and halogen containing polyols |
Aug. 28, 1984 |
| 4458036 |
Flexible polyurethane foams containing glycoluril reaction products for a flame and ember drip retardance |
Jul. 3, 1984 |
| 4451587 |
Polyurethane foam and its production |
May. 29, 1984 |
| 4407981 |
Flame retardant mixture for polyurethanes |
Oct. 4, 1983 |
| 4393248 |
Flame retarded halogenated polyol |
Jul. 12, 1983 |
| 4363882 |
Method for producing flame retardant flexible polyurethane foams with blends of dibromoneopentyl glycol and flame retardant plasticizer |
Dec. 14, 1982 |
| 4318999 |
Low fire hazard rigid urethane insulation foam, polyol mixtures used in the manufacture thereof, and method for manufacture thereof |
Mar. 9, 1982 |
| 4307205 |
Polyester polyols |
Dec. 22, 1981 |
| 4302272 |
Process for heat sealing polyurethane foam |
Nov. 24, 1981 |
| 4282332 |
Polyols derived from 4,4,4-trichloro-1,2-epoxybutane and/or epihalohydrin for use in the production of heat sealable foams |
Aug. 4, 1981 |
| 4275171 |
Method for producing flame retardant flexible polyurethane foams with blends of dibromoneopentyl glycol and flame retardant plasticizer |
Jun. 23, 1981 |
| 4264745 |
Fire-retardant polyurethane foam based on a bromine-containing polyester |
Apr. 28, 1981 |
| 4260514 |
Urethane foam compositions |
Apr. 7, 1981 |
| 4239642 |
Stabilization of halogenated polyols for polyurethane production |
Dec. 16, 1980 |
| 4223068 |
Rigid polyurethane foam containing polyester residue digestion product and building panel made therefrom |
Sep. 16, 1980 |
| 4219624 |
Stabilization of amine catalysts in a composition with halogenated polyols for use in polyurethane foam production |
Aug. 26, 1980 |
| 4177335 |
Process for preparing a polyurethane foam from an oxyalkylated product |
Dec. 4, 1979 |
| 4163086 |
Novel oxyalkylated polyol prepolymers, flame retardant interpolymers prepared therefrom, and processes for the preparation thereof |
Jul. 31, 1979 |
| 4152497 |
Compounds containing the 2,2,2-trichloroethyl group as flame retardants for polyurethanes |
May. 1, 1979 |
| 4128532 |
Polyetheresters which contain hydroxyl groups and the use thereof in the production of flame resistant synthetic resins |
Dec. 5, 1978 |
| 4125489 |
Novel prepolymers, flame retardant interpolymers prepared therefrom, and processes for the preparation thereof |
Nov. 14, 1978 |
| 4115458 |
Mixed polyhalogenated-1,4-butanediols |
Sep. 19, 1978 |
| 4115300 |
Stabilized polyol compositions and polyurethane foams |
Sep. 19, 1978 |
| 4107104 |
Halogenated xylenes |
Aug. 15, 1978 |
| 4094869 |
Thermally stable, rigid, cellular isocyanurate polyurethane foams |
Jun. 13, 1978 |
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