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:
Sep. 09, 2025
Filed:
May. 14, 2021
Applicant:
Asahi Kasei Kabushiki Kaisha, Tokyo, JP;
Inventors:
Masatsugu Higashi, Tokyo, JP;
Tomoharu Yoshinuma, Tokyo, JP;
Masakazu Yamauchi, Tokyo, JP;
Misa Horinouchi, Tokyo, JP;
Kie Shinomiya, Tokyo, JP;
Assignee:
ASAHI KASEI KABUSHIKI KAISHA, Tokyo, JP;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
C08G 18/80 (2006.01); C08G 18/42 (2006.01); C08G 18/73 (2006.01); C08J 5/18 (2006.01);
U.S. Cl.
CPC ...
C08G 18/8096 (2013.01); C08G 18/4277 (2013.01); C08G 18/73 (2013.01); C08G 18/807 (2013.01); C08J 5/18 (2013.01); C08J 2375/12 (2013.01);
Abstract
This blocked polyisocyanate composition contains a block polyisocyanate derived from one or more diisocyanates, an active hydrogen compound, and a blocking agent containing a malonic acid ester. The active hydrogen compound has a number-average molecular weight of 60 to 5,000 and an average of 1.6 to 2.4 functional groups.