 |
|
 |
| |
 |
|
Class Information
Number: 521/903
Name: Synthetic resins or natural rubbers -- part of the class 520 series > Cellular polymer having reduced smoke or gas generation
Description: Subject matter involving cellular products which are designed to have reduced smoke or gas generation upon burning.
Patents under this class:
| Patent Number |
Title Of Patent |
Date Issued |
| 6080353 |
Method of molding a heat-resistant container |
Jun. 27, 2000 |
| 5779775 |
Stock solution composition for use in production of hard polyurethane foam |
Jul. 14, 1998 |
| 5171758 |
Flame retardant urethane foams made using propylene oxide-based polyols |
Dec. 15, 1992 |
| 5087384 |
Melamine preparation and stable dispersion of melamine in polyether polyols |
Feb. 11, 1992 |
| 4871477 |
Fire protected foamed polymeric materials |
Oct. 3, 1989 |
| 4780484 |
Molding material and its use as construction and repair material |
Oct. 25, 1988 |
| 4772638 |
Compositions having reduced smoke emission |
Sep. 20, 1988 |
| 4740527 |
Porous and non-porous intumescent masses |
Apr. 26, 1988 |
| 4670346 |
Process for preparing high heat-distortion-temperature polyisocyanurate polymers |
Jun. 2, 1987 |
| 4427797 |
Non-burning, non-smoking thermoset foam composition |
Jan. 24, 1984 |
| 4426461 |
Modified polyisocyanurate foam and method of preparation |
Jan. 17, 1984 |
| 4356274 |
Smoke suppressed rigid polyurethane foam |
Oct. 26, 1982 |
| 4246361 |
Method for producing flame- and smoke-resistant polyurethane foam sheet by incorporation of a urea derivative in reaction mixture |
Jan. 20, 1981 |
| 4226948 |
2-Trichloromethyloxazolidine and thiazolidine derivatives useful as flame retardants for polyurethane foam |
Oct. 7, 1980 |
| 4224374 |
Polyether-derived polyurethane foam impregnant and method of application |
Sep. 23, 1980 |
| 4223068 |
Rigid polyurethane foam containing polyester residue digestion product and building panel made therefrom |
Sep. 16, 1980 |
| 4216296 |
Low smoke generating polyurethane foam |
Aug. 5, 1980 |
| 4205136 |
Process for producing a rigid polyurethane foam having excellent flame retardance and low-smoke development |
May. 27, 1980 |
| 4180631 |
Flame-and smoke-resistant flexible polyurethane foam and compressed foam sheet |
Dec. 25, 1979 |
| 4169915 |
Fire resistant foam products |
Oct. 2, 1979 |
| 4166164 |
Process for the preparation of carbodiimide-isocyanurate foams |
Aug. 28, 1979 |
| 4145318 |
Excellent flame-and smoke-retardant non-shrinkable polyurethane foam |
Mar. 20, 1979 |
| 4136084 |
Molecular-weight modification of polyphosphazenes |
Jan. 23, 1979 |
| 4098732 |
Process for production of flame-resistant and smoke-retardant polyurethane foams |
Jul. 4, 1978 |
| 4092278 |
Molecular-weight modification of polyphosphazenes |
May. 30, 1978 |
| 4083820 |
Low smoke polyphosphazene compositions |
Apr. 11, 1978 |
| 4077920 |
Flame- and smoke-resistant polyurethane foam and a method for producing said foam |
Mar. 7, 1978 |
| 4077964 |
Carbamate-phosphonates, and process of preparation |
Mar. 7, 1978 |
| 4076658 |
Poly(aryloxyphosphazene) copolymer foams |
Feb. 28, 1978 |
| 4076657 |
Polyurethane smoke suppression additive |
Feb. 28, 1978 |
| 4076654 |
Process for producing a flame- and smoke-retarded, non-shrinkable, flexible polyurethane foam |
Feb. 28, 1978 |
| 4073824 |
Polyphosphazene blends |
Feb. 14, 1978 |
| 4073825 |
Polyphosphazene polymer/silicone rubber blends and foams therefrom |
Feb. 14, 1978 |
| 4071484 |
Process for preparing flexible flame retarding polyurethane foams |
Jan. 31, 1978 |
| 4071482 |
Reduced-friability, highly cross-linked, flame-resistant, polyurethane foams |
Jan. 31, 1978 |
| 4069173 |
Fire retardant polyisocyanurate and polyurethane foams having reduced smoke levels and method for producing same |
Jan. 17, 1978 |
| 4066579 |
Flame- and smoke-resistant flexible polyurethane foam and a method for producing said foam |
Jan. 3, 1978 |
| 4061606 |
Polyphosphazene polymer/organic polymer foams |
Dec. 6, 1977 |
| 4059560 |
Smoke and flame retarded styrene polymers |
Nov. 22, 1977 |
| 4057519 |
Sodium silicate extended polyurethane foam |
Nov. 8, 1977 |
| 4055545 |
Smoke-suppressant additives for polyphosphazenes |
Oct. 25, 1977 |
| 4055522 |
Process for producing an isocyanate-based polymer having reduced smoke generation |
Oct. 25, 1977 |
| 4053439 |
Low-smoke generating polyurethane foam |
Oct. 11, 1977 |
| 4049618 |
Polyvinyl chloride composition containing ferrocene smoke suppressant additives |
Sep. 20, 1977 |
| 4046721 |
Low friability polyisocyanurate foams |
Sep. 6, 1977 |
| 4039487 |
Cellular isocyanurate polymer |
Aug. 2, 1977 |
| 4026839 |
Polyphosphazene polymer/silicone rubber blends and foams therefrom |
May. 31, 1977 |
| 4026829 |
Flexible polyurethane foam |
May. 31, 1977 |
| 4026838 |
Smoke-suppressant additives for polyphosphazenes |
May. 31, 1977 |
| 4016111 |
Non-burning, class 1 rating, foams and a method of producing same |
Apr. 5, 1977 |
|
|
|
 |
|
 |
|
| |
Randomly Featured Patents |
|
