Patent · US Expired

Hard, rigid, non-elastomeric polyurethane, compositions

US4195149A · kind A · utility

1Cited by

3References

2Claims

0Family size

Assignee

BASF SE

Inventors

Herbert Stutz · Karlsruhe, DE
Robert Gehm · Schifferstadt, DE

Key dates

Filing date	Jul 25, 1977
Grant date	Mar 25, 1980
Priority date	—
Expiry date	Jul 25, 1997

Classification

Technology area (CPC C)Chemistry; Metallurgy
CPC primaryC08G18/283
WIPO fieldMacromolecular chemistry, polymers
WIPO sectorChemistry

Abstract

Hard, rigid, non-elastomeric, non-cellular polyurethane compositions manufactured by reacting a liquid hydroxylic polyether having an OH equivalent weight of from 50 to 250, a monofunctional hydroxylic polyether having a molecular weight of from 150 to 10,000 and devoid of further functional groups which react with isocyanates, and an organic polyisocyanate, with or without catalysts, auxiliaries and additives.

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