Patent · US Expired

Process for rigid foams

US5393799A · kind A · utility

5Cited by

14References

23Claims

0Family size

Assignee

IMPERIAL CHEMICAL INDUSTRIES LIMITED · GB

Inventors

Rik De Vos · Rotselaar, BE
David Thorpe · Acton, US
Gonda Van Essche · Leuven, BE

Key dates

Filing date	Dec 6, 1993
Grant date	Feb 28, 1995
Priority date	—
Expiry date	Dec 6, 2013

Classification

Technology area (CPC C)Chemistry; Metallurgy
CPC primaryC08G2110/005
WIPO fieldMacromolecular chemistry, polymers
WIPO sectorChemistry

Abstract

Process for the preparation of rigid polyurethane foam by reaction of a polyfunctional isocyanate-reactive composition with a polyisocyanate composition comprising the reaction product of a stoichiometric excess of an organic polyisocyanate and a substantially fluorinated isocyanate-reactive compound, optionally in the presence of an inert, insoluble fluorinated compound.

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