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. 23, 2023
Filed:
Jul. 17, 2018
Showa Denko K.k., Tokyo, JP;
Japan Polyethylene Corporation, Tokyo, JP;
Junichi Kuroda, Oita, JP;
Yoshikuni Okumura, Oita, JP;
Shinya Hayashi, Oita, JP;
Masahiro Uematsu, Kanagawa, JP;
Takaaki Hattori, Kanagawa, JP;
Yuichiro Yasukawa, Kanagawa, JP;
SHOWA DENKO K.K., Tokyo, JP;
JAPAN POLYETHYLENE CORPORATION, Tokyo, JP;
Abstract
A gas-barrier resin (A) having an oxygen permeability coefficient of 1.0×10(cm·cm/cm·s·Pa) or less; and a copolymer (B) containing monomer structural units represented by the formula (1), the formula (2), and the formula (3): where: Rrepresents a hydrogen atom or a methyl group; Rrepresents a hydrocarbon group having 1 to 20 carbon atoms that may be substituted with a halogen atom, a hydroxy group, an alkoxy group, or an amino group; 1, m, and n represent numerical values representing molar proportions of the respective monomer structural units, and n may represent 0; and p represents an integer of from 1 to 4, wherein a ratio of a mass of the copolymer (B) to a total mass of the gas-barrier resin (A) and the copolymer (B) is from 1 mass % to 40 mass %.