Patent · US Expired

Process for the manufacture of stable polymer polyol dispersions

US4305861A · kind A · utility

6Cited by

4References

4Claims

0Family size

Assignee

BASF SE

Inventors

Matthias Marx · Fürstenfeldbruck, DE
Dietmar Nissen · Heidelberg, DE
Robert Gehm · Schifferstadt, DE

Key dates

Filing date	Oct 20, 1980
Grant date	Dec 15, 1981
Priority date	—
Expiry date	Oct 20, 2000

Classification

Technology area (CPC C)Chemistry; Metallurgy
CPC primaryC08J2363/00
WIPO fieldMacromolecular chemistry, polymers
WIPO sectorChemistry

Abstract

Polymer polyol dispersions are prepared by reacting polyepoxides with epoxide resin hardeners in the presence of polyester and polyoxyalkylene polyether polyols.

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