Patent · US Expired

Method for producing polyether alcohols

US7750191B2 · kind B2 · utility

3Cited by

4References

17Claims

0Family size

Assignee

BASF SE

Inventors

Thomas Ostrowski · Mannheim, DE
Stephan Bauer · Ostercappeln, DE
Achim Loeffler · Puming, CN
Juergen Winkler · Langenfeld, DE

Key dates

Filing date	Jun 22, 2005
Grant date	Jul 6, 2010
Priority date	—
Expiry date	Jan 11, 2026

Classification

Technology area (CPC C)Chemistry; Metallurgy
CPC primaryC08G2110/0083
WIPO fieldMacromolecular chemistry, polymers
WIPO sectorChemistry

Abstract

The invention provides a process for continuously preparing polyether alcohols by adding alkylene oxides to H-functional starter substances using a DMC catalyst, comprising the steps of

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