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. 25, 2020
Filed:
Oct. 18, 2017
Applicant:
Covestro Deutschland Ag, Leverkusen, DE;
Inventors:
Christoph Irle, Cologne, DE;
Stefan Groth, Leverkusen, DE;
Ruiwen Wu, Leverkusen, DE;
Antonio Midolo, Cologne, DE;
Robert Maleika, Dusseldorf, DE;
Hongchao Li, Shanghai, CN;
Hao Liu, Shanghai, CN;
Assignee:
Covestro Deutschland AG, Leverkusen, DE;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
C08G 18/79 (2006.01); C08G 18/42 (2006.01); C09D 175/06 (2006.01); C08G 18/18 (2006.01); C08G 18/02 (2006.01); C08G 18/09 (2006.01); C09J 175/06 (2006.01);
U.S. Cl.
CPC ...
C08G 18/794 (2013.01); C08G 18/022 (2013.01); C08G 18/092 (2013.01); C08G 18/1825 (2013.01); C08G 18/1841 (2013.01); C08G 18/4288 (2013.01); C09D 175/06 (2013.01); C09J 175/06 (2013.01); C08G 2105/02 (2013.01);
Abstract
The invention relates to a polyisocyanate which is based on tolylene 2,4-diisocyanate, tolylene 2,6-diisocyanate or a mixture of tolylene 2,4- and 2,6-diisocyanate and has isocyanurate groups, wherein the polyisocyanate has