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. 18, 2003
Filed:
Sep. 27, 1999
Satoshi Oki, Yokohama, JP;
Atsushi Hayashi, Yokohama, JP;
Makoto Fukawa, Yokohama, JP;
Hiroshi Aruga, Kawasaki, JP;
Yasuo Hayashi, Yokohama, JP;
Shigeaki Yonemori, Aichi, JP;
Yukio Jitsugiri, Yokohama, JP;
Asahi Glass Company Ltd., Tokyo, JP;
Abstract
A tetrafluoroethylene-ethylene copolymer (ETFE) film, wherein polar groups are present on the surface of the film after a surface treatment, and the surface roughness R is at most the surface roughness R of the surface of an untreated film; an ETFE film, wherein polar groups are present on the surface of the film after a surface treatment, and the amount of a weak boundary layer is at most one time of the amount of a weak boundary layer on the surface of an untreated film; a laminate employing such a film having an extremely excellent bonding strength; and a process for producing it with a mass production property.