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:
May. 29, 2018
Filed:
Feb. 19, 2015
Applicant:
Basf SE, Ludwigshafen, DE;
Inventors:
Rajesh Kumar, Riverview, MI (US);
Nikolay Lebedinski, West Bloomfield, MI (US);
Assignee:
BASF SE, Ludwigshafen, DE;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
C08G 18/00 (2006.01); C08G 18/09 (2006.01); C08G 18/76 (2006.01); C08G 18/02 (2006.01); C08G 18/67 (2006.01); C08G 18/71 (2006.01);
U.S. Cl.
CPC ...
C08G 18/095 (2013.01); C08G 18/025 (2013.01); C08G 18/672 (2013.01); C08G 18/673 (2013.01); C08G 18/71 (2013.01); C08G 18/7621 (2013.01);
Abstract
A composition for forming a polyiso-urea includes a capped polycarbodiimide and a polyol. The capped polycarbodiimide comprises the reaction product of a diisocyanate and a monoisocyanate in the presence of an oxygen scavenger and a carbodiimidization catalyst and in the absence of solvent, has 0.25 wt. % or less of free isocyanate groups, and is a liquid at 25° C. A polyiso-urea comprises the reaction product of the capped polycarbodiimide and the polyol.