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:
Jul. 18, 2017
Filed:
Aug. 25, 2014
Applicant:
Covestro Deutschland Ag, Leverkusen, DE;
Inventors:
Thomas E. Müller, Aachen, DE;
Christoph Gürtler, Köln, DE;
Muhammad A. Subhani, Aachen, DE;
Burkhard Köhler, Zierenberg, DE;
Walter Leitner, Aachen, DE;
Assignee:
Covestro Deutschland AG, Leverkusen, DE;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
C08F 2/46 (2006.01); C08F 2/50 (2006.01); C08G 61/04 (2006.01); C08G 64/02 (2006.01); C09D 169/00 (2006.01); C09J 169/00 (2006.01); C08G 64/34 (2006.01); C08G 64/42 (2006.01);
U.S. Cl.
CPC ...
C08G 64/0291 (2013.01); C08G 64/34 (2013.01); C08G 64/42 (2013.01); C09D 169/00 (2013.01); C09J 169/00 (2013.01);
Abstract
The present invention relates to a process for preparing mercapto-crosslinked polyethercarbonate and sees polyethercarbonate polyols containing double bonds being reacted with polyfunctional mercaptans and/or sulfur with the involvement of initiator compounds.