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. 28, 2023
Filed:
Nov. 30, 2011
Atsushi Yamazaki, Inuyama, JP;
Kyoko Inagaki, Otsu, JP;
Takeshi Ookawa, Inuyama, JP;
Yoshiharu Morihara, Inuyama, JP;
Youji Takatsu, Inuyama, JP;
Masanori Kobayashi, Inuyama, JP;
Atsushi Yamazaki, Inuyama, JP;
Kyoko Inagaki, Otsu, JP;
Takeshi Ookawa, Inuyama, JP;
Yoshiharu Morihara, Inuyama, JP;
Youji Takatsu, Inuyama, JP;
Masanori Kobayashi, Inuyama, JP;
TOYOBO CO., LTD., Osaka, JP;
Abstract
The invention provides a multilayer film comprising a substrate film and a coating layer arranged on at least one surface of the substrate film, wherein the coating layer contains an oxazoline group and comprises an acrylic resin, the coating layer has a thickness (D) of 5-150 nm, and the ratio (Pl/P2) of the peak intensity (P1) of a peak that has an absorption maximum in a region of 1655±10 cmto the peak intensity (P2) of a peak that has an absorption maximum in a range of 1580±10 cmin the total reflection infrared absorption spectrum of the coating layer and the thickness (D) of the coating layer fulfill the relationship represented by the formula: 0.03≤(Pl/P2)/D≤0.15.