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:
Aug. 24, 2021
Filed:
Oct. 10, 2017
Applicant:
Covestro Deutschland Ag, Leverkusen, DE;
Inventors:
Muhammad Afzal Subhani, Aachen, DE;
Burkhard Koehler, Zierenberg, DE;
Walter Leitner, Aachen, DE;
Thomas Ernst Müller, Aachen, DE;
Christoph Gürtler, Cologne, DE;
Assignee:
Covestro Deutschland AG, Leverkusen, DE;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
C08G 18/44 (2006.01); C08G 18/12 (2006.01); C08G 18/22 (2006.01); C08G 18/76 (2006.01); C08G 18/79 (2006.01); C08G 18/82 (2006.01); C08G 64/34 (2006.01); C08G 18/64 (2006.01); C08G 18/62 (2006.01);
U.S. Cl.
CPC ...
C08G 18/12 (2013.01); C08G 18/222 (2013.01); C08G 18/44 (2013.01); C08G 18/62 (2013.01); C08G 18/6237 (2013.01); C08G 18/64 (2013.01); C08G 18/7621 (2013.01); C08G 18/792 (2013.01); C08G 18/82 (2013.01); C08G 64/34 (2013.01);
Abstract
The present invention relates to a method for producing a prepolymer that contains carbon-carbon multiple bonds, a polyol component A) being reacted with component B) that contains isocyanate groups and the polyol component comprising a polyether carbonate polyol that contains carbon-carbon multiple bonds.