Patent · US Active

Process for the preparation of polyetherester polyols

US9018345B2 · kind B2 · utility

2Cited by

21References

19Claims

0Family size

Assignee

BASF SE

Inventors

Andreas Kunst · Ludwigshafen, DE
Berend Eling · Ludwigshafen, DE
Achim Loeffler · Puming, CN
Xinkui Wang · Shanxi, CN
Ning Ying · Taiyuan, CN
Hui Du · Golden, US
Maoqing Kang · Taiyuan, CN

Key dates

Filing date	Aug 20, 2010
Grant date	Apr 28, 2015
Priority date	—
Expiry date	Dec 31, 2030

Classification

Technology area (CPC C)Chemistry; Metallurgy
CPC primaryC08G65/2663
WIPO fieldMacromolecular chemistry, polymers
WIPO sectorChemistry

Abstract

Disclosed is a process for the preparation of polyetherester polyols prepared with hybrid catalysts, the polyetheresters obtained from the process and the use of such materials in polyurethane applications. The hybrid catalysts used in this invention comprise double metal cyanide complex catalysts (DMC) and at least one co-catalyst.

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