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:
Dec. 11, 1990
Filed:
Nov. 16, 1988
Applicant:
Inventors:
Masaki Okazaki, Kanagawa, JP;
Kiyohiko Yamamuro, Kanagawa, JP;
Shigeo Koizumi, Shizuoka, JP;
Keisuke Shiba, Shizuoka, JP;
Assignee:
Fuji Photo Film Co., Ltd., Minami-ashigara, JP;
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
G03C / ; G03C / ;
U.S. Cl.
CPC ...
430583 ; 430302 ; 430591 ; 430592 ; 430945 ;
Abstract
A presensitized plate from which a lithographic printing plate is to be prepared, comprising a support having provided thereon a non-silver light-sensitive layer comprising an O-quinonediazide compound and a silver halide light-sensitive layer in this order, said silver halide light-sensitive layer containing a specific sensitizing dye. The presensitized plate is specifically high in sensitivity to a light of the wavelength in the range of 480 nm to 520 nm, and therefore it can be handled even under the lighter safe light.