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:
Dec. 08, 2020
Filed:
Sep. 19, 2017
Applicants:
Toyo Ink SC Holdings Co., Ltd., Tokyo, JP;
Toyochem Co., Ltd., Tokyo, JP;
Inventors:
Shingo Tanabe, Tokyo, JP;
Katsunori Fukuta, Tokyo, JP;
Chiyo Ishizu, Tokyo, JP;
Shuhei Saito, Tokyo, JP;
Assignees:
TOYO INK SC HOLDINGS CO., LTD., Tokyo, JP;
TOYOCHEM CO., LTD., Tokyo, JP;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
C09J 175/08 (2006.01); C09J 7/30 (2018.01); C08G 18/42 (2006.01); C08G 18/44 (2006.01); C08G 18/48 (2006.01); C08G 18/12 (2006.01); C08G 18/73 (2006.01); C08G 18/40 (2006.01); C08G 18/76 (2006.01); C09J 7/20 (2018.01);
U.S. Cl.
CPC ...
C09J 175/08 (2013.01); C08G 18/12 (2013.01); C08G 18/4018 (2013.01); C08G 18/4238 (2013.01); C08G 18/4277 (2013.01); C08G 18/44 (2013.01); C08G 18/4825 (2013.01); C08G 18/4829 (2013.01); C08G 18/73 (2013.01); C08G 18/7642 (2013.01); C09J 7/20 (2018.01); C09J 7/30 (2018.01); C09J 2475/00 (2013.01);
Abstract
An adhesive includes: a urethane prepolymer (A) obtained by reacting a polyol (a) with a polyisocyanate (b) under such conditions that the molar ratio of NCO/OH is 0.5-0.9 and having a molecular-weight dispersion degree [(weight-average molecular weight (Mw))/(number-average molecular weight (Mn)); hereinafter referred to also as Mw/Mn] of 4-12; a polyfunctional polyol (B), and an isocyanate curing agent (C).