Patent · US Expired

Stabilized compositions comprising hydrofluoroalkanes, premixtures intended for the preparation of polymeric foams and polymeric foams obtained by the use thereof

US5366662A · kind A · utility

5Cited by
1References
7Claims
0Family size

Assignee

Inventors

Key dates

Filing dateSep 23, 1993
Grant dateNov 22, 1994
Priority date
Expiry dateSep 23, 2013

Classification

  • Technology area (CPC C)Chemistry; Metallurgy
  • CPC primaryC08J2375/04
  • WIPO fieldOther special machines
  • WIPO sectorMechanical engineering

Abstract

Compositions comprising at least one hydrofluoroalkane and at least one stabilizing agent chosen from quinones and compounds containing a nitroso group, added in an amount sufficient to stabilize the hydrofluoroalkanes. These compositions can especially be used in premixtures for polyurethane foams.

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