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:
Mar. 05, 2024
Filed:
Apr. 08, 2019
Kobayashi & Co., Ltd., Tokyo, JP;
Keisuke Sakai, Matsudo, JP;
Norifumi Iwawaki, Matsudo, JP;
Nanae Tanaka, Matsudo, JP;
Satoshi Hiramatsu, Matsudo, JP;
Akane Kawafuchi, Matsudo, JP;
KOBAYASHI & CO., LTD., Tokyo, JP;
Abstract
To provide a release film not to contaminate a mold or a molded article. The present invention provides a release film comprising, an oligomer bleeding prevention layer formed of an acrylic resin or a siloxane resin and laminated on a first face of a base layer that is formed of a polyethylene terephthalate resin; a surface layer formed of a fluororesin and laminated on the oligomer bleeding prevention layer; and a surface layer formed of a fluororesin and laminated on a second face of the base layer, or an oligomer bleeding prevention layer formed of an acrylic resin or a siloxane resin and laminated on a second face of the base layer, and a surface layer formed of a fluororesin and laminated on the oligomer bleeding prevention layer that is laminated on the second face.