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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.:

US 12226937 B1

PDFFull Text
Date of Patent:
Feb. 18, 2025

Filed:

Jan. 24, 2022

Mold release film, film laminate, method for producing mold release film, and method for producing film laminate

Applicant:

Mitsubishi Chemical Corporation, Tokyo, JP;

Inventor:

Yosuke Oseki, Tokyo, JP;

Assignee:

Mitsubishi Chemical Corporation, Tokyo, JP;

Attorney:

Oblon, McClelland, Maier & Neustadt, L.L.P.

Primary Examiner:

Mohammad M Ameen

Int. Cl.
CPC ...
B29C 37/00 (2006.01); B32B 7/12 (2006.01); B32B 27/28 (2006.01); C08G 77/08 (2006.01); C08G 77/24 (2006.01); C08J 5/18 (2006.01);
U.S. Cl.
CPC ...
B29C 37/0075 (2013.01); B32B 7/12 (2013.01); B32B 27/283 (2013.01); C08G 77/08 (2013.01); C08G 77/24 (2013.01); C08J 5/18 (2013.01); B29K 2883/00 (2013.01); B32B 2307/748 (2013.01); C08J 2383/04 (2013.01);
Abstract

A mold release film, including a mold release layer formed by curing a mold release layer composition containing a curable silicone having a fluorine substituent, a curable silicone having no fluorine substituent, and a curing catalyst, on at least one surface of a substrate film. In a concentration distribution of fluorine atoms in a thickness direction within the mold release layer, fluorine atoms are unevenly distributed on a surface of the mold release layer, and a fluorine atom concentration on one side of the mold release layer is 39.0 atom concentration % or more.

Find Patent Forward Citations

Oseki, Yosuke. (2025). Mold release film, film laminate, method for producing mold release film, and method for producing film laminate (U.S. Patent No. 12226937). U.S. Patent and Trademark Office. https://idiyas.com/patent/badge/12226937

Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile

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