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:
Dec. 30, 2003
Filed:
Sep. 06, 2001
Applicant:
Inventors:
Assignee:
Fuji Photo Film Co., Ltd., Minami-Ashigara, JP;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
B41N 3/03 ;
U.S. Cl.
CPC ...
B41N 3/03 ;
Abstract
A support for a lithographic printing plate with no damage in appearance such as unevenness in the form of streaks and with excellent pit homogeneity. A support for a lithographic printing plate obtained by subjecting a surface of an aluminum alloy plate to a surface treatment including alkali etching and an electrochemical graining treatment, wherein the aluminum alloy plate shows dispersion of 50% or lower for each element, the dispersion being defined by an specific equation with regard to contents of Fe, Si, Mn, Mg and Sn in a surface layer portion thereof which is from the surface to a depth of 1 &mgr;m.