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:
Jun. 23, 2026
Filed:
Aug. 17, 2022
Mitsui Chemicals, Inc., Tokyo, JP;
Ryohei Shiga, Ichihara, JP;
Mitsui Chemicals, Inc., Tokyo, JP;
Abstract
An adhesive resin composition, including from 60 to 95 parts by mass of an ethylenic polymer (A) including a modified ethylenic polymer (a-2) obtained by modifying at least one polymer (a-1) selected from the group consisting of an ethylene homopolymer and a copolymer of ethylene and at least one α-olefin selected from α-olefins having from 3 to 20 carbon atoms, with an unsaturated carboxylic acid and/or a derivative thereof, and from 5 to 40 parts by mass of a butene-based polymer (B) having 80 mol % or more of a structural unit derived from 1-butene, provided that the total content of the polymer (A) and the polymer (B) is 100 parts by mass, wherein the MER (190° C. and a load of 2.16 kg) is from 1 to 20 g/10 minutes.