The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.
The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.
Patent No.:
Date of Patent:
Feb. 22, 2011
Filed:
Jul. 07, 2010
Applicants:
Hartmut Nefzger, Pulheim, DE;
Erika Bauer, Juchen, DE;
Erhard Michaels, Koln, DE;
Inventors:
Assignee:
Bayer MaterialScience AG, Leverkusen, DE;
Attorneys:
Primary Examiner:
Int. Cl.
CPC ...
C08F 257/02 (2006.01); C08F 283/02 (2006.01); C08F 2/32 (2006.01); C08G 18/42 (2006.01); C08K 5/10 (2006.01);
U.S. Cl.
CPC ...
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.