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:
Aug. 19, 1986
Filed:
Dec. 28, 1983
Applicant:
Inventors:
Assignee:
Fuji Photo Film Company, Limited, Kanagawa, JP;
Primary Examiner:
Int. Cl.
CPC ...
G03F / ;
U.S. Cl.
CPC ...
430302 ; 430191 ; 430192 ; 430165 ; 430309 ; 430326 ;
Abstract
A developing solution for developing a light-sensitive lithographic plate having a o-quinonediazide compound-containing light-sensitive layer is disclosed. The developing solution is comprised of an aqueous solution containing alkali silicate and an alkali aqueous solution-soluble compound of a metal selected from the group consisting of Sn, Pb, Fe, Co and Ni. The developing solution provides excellent resolving power, has excellent development stability, processing capability and adaptability with respect to automatic developing machines.