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:
Jan. 31, 2023
Filed:
Sep. 18, 2017
Agc Inc., Chiyoda-ku, JP;
Yoshiaki Higuchi, Chiyoda-ku, JP;
Seigo Kotera, Chiyoda-ku, JP;
AGC Inc., Chiyoda-ku, JP;
Abstract
To provide a laminate which has a heat sealing property, a barrier property and mechanical strength, of which elution of impurities from the surface to be in contact with a chemical solution is suppressed, and of which peeling and the like hardly occur at the sealed portion of a bag and at the interfaces between the layers of the laminate when exposed to high temperature, a bag using it and a lithium ion battery. A laminatecomprising a first layercontaining a fluororesin, a second layercontaining a barrier material, a third layercontaining a fluororesin and a fourth layercontaining a polyamide in this order, wherein each of the fluororesin in the first layerand the fluororesin in the third layeris a fluororesin having a melting point of from 160 to 230° C. and having adhesive functional groups.