Patent · US Expired

Premixes for the preparation of polyurethane foams

US5856679A · kind A · utility

10Cited by

9References

14Claims

0Family size

Assignee

SOLVAY SA · BE

Inventors

Pierre Barthelemy · Jodoigne, BE
Annie Leroy · Fauvillers, BE

Key dates

Filing date	Sep 23, 1996
Grant date	Jan 5, 1999
Priority date	—
Expiry date	Sep 23, 2016

Classification

Technology area (CPC C)Chemistry; Metallurgy
CPC primaryC08J2375/04
WIPO fieldMacromolecular chemistry, polymers
WIPO sectorChemistry

Abstract

Premixes intended for the preparation of polyurethane or modified polyurethane foams comprising at least one polyol and 1,1,1,3,3-pentafluorobutane as blowing agent. These premixes have proved to be particularly stable.

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