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:
Aug. 06, 2019
Filed:
Aug. 19, 2015
Kuraray Co., Ltd., Kurashiki-shi, JP;
Agc Inc., Chiyoda-ku, JP;
Masako Kawagoe, Tsukuba, JP;
Yosuke Kumaki, Kurashiki, JP;
Sho Masuda, Chiyoda-ku, JP;
Junsuke Kawana, Chiyoda-ku, JP;
KURARAY CO., LTD., Kurashiki-shi, JP;
AGC Inc., Chiyoda-ku, JP;
Abstract
The paper composite contains: a paper substrate having an air permeation resistance of 1,000 sec or less and bulk density of from 0.5 to 1.0 g/cm; and a greaseproof layer on at least one side thereof, the greaseproof layer containing an ethylene-vinyl alcohol polymer (A) and a cationic fluorine-containing polymer (B) having two specific constitutional units. A content of the copolymer (B) in the greaseproof layer is from 5 to 50 parts by mass with respect to 100 parts by mass of the polymer (A), an amount of the greaseproof layer on dry mass basis is from 0.1 to 3.0 g/m, and a water vapor permeability of the paper composite is 1,000 g/m·24 h or greater.