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:
Apr. 20, 2021
Filed:
Apr. 26, 2018
Toagosei Co., Ltd., Minato-ku, JP;
Masaru Andou, Nagoya, JP;
Yuushi Andou, Takaoka, JP;
Akitsugu Shibata, Nagoya, JP;
Michihiro Kaai, Nagoya, JP;
TOAGOSEI CO., LTD., Minato-ku, JP;
Abstract
An adhesive composition according to the present invention contains a polymerizable monomer (A) and a block copolymer (B) including a polymer block (a) which includes structural units derived from a styrene compound and from a maleimide compound, and an acrylic polymer block (b), in which the polymer block (a) and the acrylic polymer block (b) have a solubility parameter of 10.0 or more and 9.0 or more, respectively; the polymer block (a) contains the structural unit derived from a maleimide compound at a concentration from 30% by mass to 99% by mass with respect to the total mass of the polymer block (a); the polymer block (a) has a glass transition temperature of 150° C. or higher; and the polymer block (b) has a glass transition temperature of 20° C. or lower.