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:
Apr. 22, 2003
Filed:
Mar. 23, 2001
Akio Uesugi, Kanagawa, JP;
Masahiro Endo, Kanagawa, JP;
Fuji Photo Film Co., Ltd., Minami-ashigara, JP;
Abstract
A lithographic printing plate having an average curvature in a rolling direction of 1.5×10 mm or less, a curvature distribution in a crosswise direction of 1.5×10 mm or less, and a curvature in a direction perpendicular to said rolling direction of 1.0×10 mm or less and a method for producing the printing plate are disclosed. A method for producing a support for a lithographic printing plate is also disclosed, which comprises roughening a surface of an aluminum web having a center line average surface roughness of 0.15 to 0.35 &mgr;m and a maximum surface roughness of 1 to 3.5 &mgr;m by at least one of mechanical surface roughening, chemical etching and electrochemical surface roughening, and then applying anodization thereto.