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:
Sep. 05, 2000
Filed:
Mar. 24, 1999
Applicant:
Inventors:
Assignee:
Mitsubishi Paper Mills Limited, Tokyo, JP;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
G03F / ; G03F / ; G03F / ;
U.S. Cl.
CPC ...
430302 ; 430204 ; 4302711 ; 4302721 ; 430330 ; 430328 ; 430616 ; 430964 ;
Abstract
There is disclosed a process for making a lithographic printing plate which comprises subjecting a lithographic printing plate precursor having at least a hydrophilic layer on a support and a silver thin layer on the hydrophilic layer to exposure by a laser beam whereby imagewisely removing the silver thin layer and exposing the hydrophilic layer, wherein the hydrophilic layer adjacent to the silver thin layer contains at least one inorganic oxide.