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. 22, 2021
Filed:
Sep. 20, 2017
Applicant:
Unitika Ltd., Hyogo, JP;
Inventors:
Assignee:
Unitika Ltd., Hyogo, JP;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
B32B 7/06 (2019.01); B29C 55/02 (2006.01); B29C 55/14 (2006.01); B29C 55/12 (2006.01); B32B 27/30 (2006.01); B32B 27/36 (2006.01); B32B 27/00 (2006.01); B32B 27/26 (2006.01); C08J 5/18 (2006.01); B29K 29/00 (2006.01); B29K 67/00 (2006.01); B29K 33/00 (2006.01);
U.S. Cl.
CPC ...
B32B 7/06 (2013.01); B29C 55/023 (2013.01); B29C 55/143 (2013.01); B32B 27/00 (2013.01); B32B 27/306 (2013.01); B32B 27/308 (2013.01); B32B 27/36 (2013.01); C08J 5/18 (2013.01); B29C 55/12 (2013.01); B29K 2029/04 (2013.01); B29K 2033/08 (2013.01); B29K 2067/00 (2013.01); B29K 2995/0053 (2013.01); B32B 27/26 (2013.01); B32B 2307/748 (2013.01); C08J 2323/06 (2013.01); C08J 2423/08 (2013.01);
Abstract
There is provided a release film comprising a substrate film and a resin layer provided on at least one surface of a substrate film, wherein the resin layer comprises 100 parts by mass of an acid-modified polyolefin resin, 1 to 20 parts by mass of a crosslinking agent and 10 to 1,000 parts by mass of a polyvinyl alcohol having a saponification rate of 99% or lower.