Patent · US Expired

Flame resistant foam

US4288559A · kind A · utility

72Cited by
4References
10Claims
0Family size

Assignee

Inventors

Key dates

Filing dateNov 1, 1979
Grant dateSep 8, 1981
Priority date
Expiry dateNov 1, 1999

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 alumino-silicate 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.