Patent · US Expired

Process for production of flame resistant foam

US4342798A · kind A · utility

2Cited by

4References

10Claims

0Family size

Assignee

BAYER HEALTHCARE LLC · DE

Inventors

Hans-Walter Illger · Rösrath, DE
Manfred Dahm · Leverkusen, DE
Alberto C. Gonzalez-Dorner · Bassano del Grappa, IT

Key dates

Filing date	May 15, 1981
Grant date	Aug 3, 1982
Priority date	—
Expiry date	May 15, 2001

Classification

Technology area (CPC C)Chemistry; Metallurgy
CPC primaryC08J2475/00
WIPO fieldOther special machines
WIPO sectorMechanical engineering

Abstract

The instant invention is directed to a process for the production of flame resistant foams by the impregnation of polyurethane foams with a dispersion consisting substantially of an aluminum hydroxide, a polyurethane latex, an aluminosilicate and surface active substances which results in foams having very desirable mechanical properties as well as excellent flame resistant properties.

Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.