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:
Nov. 24, 2020
Filed:
Apr. 30, 2015
Applicant:
Asahi Kasei Kabushiki Kaisha, Tokyo, JP;
Inventor:
Yoshijiro Harada, Tokyo, JP;
Assignee:
ASAHI KASEI KABUSHIKI KAISHA, Tokyo, JP;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
C08G 18/02 (2006.01); C08G 18/28 (2006.01); C09D 175/04 (2006.01); C08G 18/73 (2006.01); C08G 18/72 (2006.01); C08G 18/79 (2006.01); H01L 23/29 (2006.01); C08L 79/04 (2006.01); H01L 23/31 (2006.01); C08G 18/09 (2006.01); C08G 18/75 (2006.01); C08G 18/78 (2006.01); C08G 18/62 (2006.01); C08K 5/00 (2006.01); C08G 18/18 (2006.01); C08G 18/22 (2006.01); H01L 33/56 (2010.01); H01L 33/60 (2010.01);
U.S. Cl.
CPC ...
C08G 18/022 (2013.01); C08G 18/02 (2013.01); C08G 18/09 (2013.01); C08G 18/092 (2013.01); C08G 18/18 (2013.01); C08G 18/1875 (2013.01); C08G 18/222 (2013.01); C08G 18/282 (2013.01); C08G 18/2825 (2013.01); C08G 18/6225 (2013.01); C08G 18/725 (2013.01); C08G 18/73 (2013.01); C08G 18/755 (2013.01); C08G 18/7837 (2013.01); C08G 18/792 (2013.01); C08K 5/005 (2013.01); C08L 79/04 (2013.01); C09D 175/04 (2013.01); H01L 23/29 (2013.01); H01L 23/31 (2013.01); H01L 33/56 (2013.01); H01L 33/60 (2013.01); H01L 2924/0002 (2013.01); H01L 2933/005 (2013.01); H01L 2933/0033 (2013.01); H01L 2933/0058 (2013.01);
Abstract
The polyisocyanate cured product according to the present invention has an isocyanurate structure, which comprises at least one diisocyanate selected from the group consisting of an aliphatic diisocyanate and an alicyclic diisocyanate, as a unit structure, the polyisocyanate cured product having an allophanate group, and the molar ratio of the isocyanurate group to the allophanate group (isocyanurate group/allophanate group) is 99/1 to 20/80.