Patent · US Active

Process for preparing polyether polyols

US8987529B2 · kind B2 · utility

1Cited by

12References

18Claims

0Family size

Assignee

Bayer MaterialScience AG · DE

Inventors

Klaus Lorenz · Worms, DE
Marcus Eichmann · Düsseldorf, DE

Key dates

Filing date	Feb 17, 2014
Grant date	Mar 24, 2015
Priority date	—
Expiry date	Feb 17, 2034

Classification

Technology area (CPC C)Chemistry; Metallurgy
CPC primaryC08G65/30
WIPO fieldMacromolecular chemistry, polymers
WIPO sectorChemistry

Abstract

The present invention relates to a process for solvent-free preparation of polyether polyols with blockwise polyether chain structure, based on starter compounds solid at room temperature.

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