Patent · US Active

Process for preparing polyether polyols

US8461285B2 · kind B2 · utility

2Cited by

4References

6Claims

0Family size

Assignee

BASF SE

Inventors

Fatemeh Ahmadnian · Berlin, DE
Vinit Chilekar · Tervuren, BE
Andreas Brodhagen · Schifferstadt, DE
Achim Loeffler · Puming, CN
Hermann Graf · Berlin, DE

Key dates

Filing date	Mar 8, 2011
Grant date	Jun 11, 2013
Priority date	—
Expiry date	Mar 10, 2031

Classification

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

Abstract

The present invention relates to a process for the catalytic preparation of polyetherols, wherein the power input by means of at least one stirrer and/or by means of at least one pump, based on the reactor volume, is in the range from 0.001 to 8.2 kW/m3.

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