Patent · US Active

Polymer dispersions in polyester polyols

US7893150B2 · kind B2 · utility

2Cited by

5References

2Claims

0Family size

Assignee

Bayer MaterialScience AG · DE

Inventors

Hartmut Nefzger · Pulheim, DE
Erika Bauer · Höchst im Odenwald, DE
Erhard Michaels · Neunburg vorm Wald, DE

Key dates

Filing date	Jul 7, 2010
Grant date	Feb 22, 2011
Priority date	—
Expiry date	Jul 7, 2030

Classification

Technology area (CPC C)Chemistry; Metallurgy
CPC primaryC08G2410/00
WIPO fieldMacromolecular chemistry, polymers
WIPO sectorChemistry

Abstract

The present invention relates to polymer dispersions in polyester polyols, a process for producing them and their use for the production of polyurethanes, in particular microcellular polyurethanes. These polyester polyols have sulfur atoms and are free of olefinically unsaturated groups.

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