Patent · US Expired

Catalyst systems for the preparation of foams containing isocyanurate and urethane linkages

US4771025A · kind A · utility

10Cited by

3References

7Claims

0Family size

Assignee

IMPERIAL CHEMICAL INDUSTRIES LIMITED · GB

Inventors

Berend Eling · Ludwigshafen, DE
Anthony Cunningham · Leefdaal, BE
Chris Debien · Erps-Kwerps, BE

Key dates

Filing date	Dec 18, 1986
Grant date	Sep 13, 1988
Priority date	—
Expiry date	Dec 18, 2006

Classification

Technology area (CPC C)Chemistry; Metallurgy
CPC primaryC08G2115/02
WIPO fieldMacromolecular chemistry, polymers
WIPO sectorChemistry

Abstract

A catalyst system useful in the preparation of rigid foams containing urethane and isocyanurate groups comprises an alkali metal or tertraalkyl ammonium carboxylate, a group IIA metal carboxylate and, optionally, an amine co-catalyst.

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