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. 09, 2023
Filed:
Feb. 09, 2018
Toagosei Co., Ltd., Tokyo, JP;
TOAGOSEI CO. LTD., Tokyo, JP;
Abstract
A pressure-sensitive adhesive composition includes a block copolymer containing a polymer block (A) and a (meth)acrylic polymer block (B), wherein the polymer block (A) contains either or both of a maleimide compound and an amide group-containing vinyl compound as a constitutional monomer thereof and has a glass transition temperature of 100° C. or higher, and the (meth)acrylic polymer block (B) contains at least one selected from compounds represented by general formula (1) as a major constitutional monomer thereof and has a glass transition temperature of 10° C. or below.CH═CR—C(═O)O(RO)—R  (1)(wherein, Rrepresents hydrogen or a methyl group; Rrepresents a linear or branched Calkylene group; Rrepresents hydrogen, a Calkyl group, or a Caryl group; and n represents 0 or an integer from 1 to 100.)