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. 12, 2001
Filed:
Jan. 19, 1999
Applicant:
Inventors:
Zenya Shiiki, Narashino, JP;
Yukichika Kawakami, Iwaki, JP;
Nobuo Sato, Iwaki, JP;
Mitsuru Hoshino, Iwaki, JP;
Toshitaka Kouyama, Iwaki, JP;
Assignee:
Kureha Kagaku Kogyo K.K., Tokyo, JP;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
B32B 2/708 ; B32B 2/732 ; B32B 2/734 ; B32B 2/736 ; B32B 2/740 ;
U.S. Cl.
CPC ...
B32B 2/708 ; B32B 2/732 ; B32B 2/734 ; B32B 2/736 ; B32B 2/740 ;
Abstract
A composite gas barrier film having a layer structure comprises a thermoplastic resin film laminated on at least one side of a film formed from polyglycolic acid containing at least 60 wt. % of a repeating unit represented by the following formula (1):