Patent · US Expired

Process for the manufacture of polyurethane foam

US4310632A · kind A · utility

7Cited by

2References

8Claims

0Family size

Assignee

BASF SE

Inventors

Heinrich Horacek · Puchenau, AT
Manfred Barl · Otterstadt, DE
Rolf Wurmb
Matthias Marx · Fürstenfeldbruck, DE

Key dates

Filing date	Jan 26, 1981
Grant date	Jan 12, 1982
Priority date	—
Expiry date	Jan 26, 2001

Classification

Technology area (CPC C)Chemistry; Metallurgy
CPC primaryC08G18/1858
WIPO fieldMacromolecular chemistry, polymers
WIPO sectorChemistry

Abstract

A process for making a polyurethane which comprises reacting an organic polyisocyanate with a higher molecular weight organic polyhydroxyl compound in the presence of a catalyst having the following formula: ##STR1## wherein X is sulfur or NH and n is a whole number from 2 to 6. Also used is a catalyst which is a combination of the above-mentioned catalyst and an organic tin compound.

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