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:
Feb. 05, 1991
Filed:
Mar. 12, 1990
Applicant:
Inventors:
Shigeki Shimizu, Atsugi, JP;
Hiroshi Ide, Sagamihara, JP;
Assignee:
Mitsubishi Kasei Corporation, Tokyo, JP;
Primary Examiner:
Int. Cl.
CPC ...
G03C / ;
U.S. Cl.
CPC ...
430276 ; 430278 ; 430281 ; 430285 ; 430277 ; 430910 ;
Abstract
A photosensitive planographic printing plate comprises an aluminum or aluminum alloy plate having an anodic oxidation layer obtained by the anode oxidation in an electrolyte of phosphoric acid or in an electrolyte of mixed acid but containing the phosphoric acid as a main component, and a layer of photopolymerizable photosensitive composition overlaid on the Al or Al alloy plate and containing a polymer binder having a carboxylic acid residue or carboxylic acid anhydride residue, an addition polymerizable unsaturated compound and a photopolymerization initiator.