Patent · US Active

Method for producing polyether alcohols

US7968754B2 · kind B2 · utility

13Cited by

4References

11Claims

0Family size

Assignee

BASF SE

Inventors

Thomas Ostrowski · Mannheim, DE
Raimund Ruppel · Dresden, DE
Eva Baum · Schwarzheide, DE
Kathrin Harre · Dresden, DE

Key dates

Filing date	Nov 6, 2004
Grant date	Jun 28, 2011
Priority date	—
Expiry date	Mar 7, 2027

Classification

Technology area (CPC C)Chemistry; Metallurgy
CPC primaryC08G65/2696
WIPO fieldMacromolecular chemistry, polymers
WIPO sectorChemistry

Abstract

The invention relates to a process for the continuous preparation of polyether alcohols by reaction of alkylene oxides with H-functional starter substances in the presence of DMC catalysts, which comprises, at the beginning of the process

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