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. 30, 1983
Filed:
Apr. 02, 1982
Applicant:
Inventors:
Assignee:
Mitsubishi Paper Mills, Ltd., Tokyo, JP;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
G03C / ; G03F / ;
U.S. Cl.
CPC ...
430 16 ; 430 18 ; 430204 ; 430271 ; 430302 ; 430416 ; 430531 ; 101451 ; 101457 ;
Abstract
Printing characteristics such as ink receptivity and printing endurance of a lithographic printing plate which utilizes as ink receptive areas the photographically formed silver or silver halide image can be improved by treating said printing plate in the presence of a polymer compound containing in its principal and/or side chain an aromatic nucleus bearing a hydrophilic substituent group, said printing plate containing in at least one of its constitutive layers as hydrophilic high molecular weight-binder.