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:
Jun. 29, 1999
Filed:
Nov. 04, 1997
Applicant:
Inventors:
Assignee:
Mitsubishi Paper Mills Limited, Tokyo, JP;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
G03F / ; G03C / ;
U.S. Cl.
CPC ...
430302 ; 430204 ; 4302731 ; 4302761 ; 430330 ; 430416 ; 430616 ; 430945 ; 430964 ;
Abstract
Provided is a method for making a lithographic printing plate according to which the area of a silver thin film of non-image area of a lithographic printing plate material comprising a support, at least a hydrophilic layer on the support and a silver thin film on the hydrophilic layer is exposed by laser beams to be fused and/or decomposed by heat transformed from laser energy thereby to disclose the hydrophilic layer.