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:
Apr. 24, 2007
Filed:
Feb. 20, 2003
Applicants:
Naoyuki Kawanishi, Kanagawa, JP;
Kazuhiko Fujiwara, Kanagawa, JP;
Hitoshi Namikawa, Kanagawa, JP;
Takahiro Moto, Kanagawa, JP;
Yutaka Tamura, Kanagawa, JP;
Inventors:
Naoyuki Kawanishi, Kanagawa, JP;
Kazuhiko Fujiwara, Kanagawa, JP;
Hitoshi Namikawa, Kanagawa, JP;
Takahiro Moto, Kanagawa, JP;
Yutaka Tamura, Kanagawa, JP;
Assignee:
FujiFilm Corporation, Tokyo, JP;
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
C08B 3/00 (2006.01); C08B 5/00 (2006.01); C07H 1/00 (2006.01);
U.S. Cl.
CPC ...
Abstract
A process for alkali saponification of polymer film is disclosed. The process comprises the steps of applying solution of an alkali onto a polymer film having a temperature of not lower than room temperature, and washing away the alkaline solution from the film.