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. 11, 1987
Filed:
Apr. 02, 1985
Applicant:
Inventors:
Assignee:
Fuji Photo Film Co., Ltd., Kanagawa, JP;
Primary Examiner:
Int. Cl.
CPC ...
C25F / ;
U.S. Cl.
CPC ...
20412975 ;
Abstract
A process of preparing a lithographic support, the lithographic support produced by the process and a presensitized plate are disclosed. The process comprises chemically graining at least one surface of an aluminium plate with an aqueous solution containing chloride, fluoride or a mixture thereof and thereafter electrochemically graining the surface. The presensitized plate comprises a lithographically suitable light-sensitive coating on the lithographic support.