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. 21, 2001
Filed:
Feb. 07, 2000
Applicant:
Inventor:
Philip John Watkiss, Leeds, GB;
Assignee:
Agfa-Gevaert, Mortsel, BE;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
G03F 7/07 ; G03F 7/06 ; G03F 7/11 ; G03F 7/36 ; G03F 7/20 ;
U.S. Cl.
CPC ...
G03F 7/07 ; G03F 7/06 ; G03F 7/11 ; G03F 7/36 ; G03F 7/20 ;
Abstract
A lithographic printing plate precursor comprises a grained and anodised aluminium substrate coated with a layer of metallic silver on top of which is applied a composition comprising an oleophilising agent and a proteolytic enzyme. Imagewise exposure of the precursor by means of a high intensity laser beam allows for the direct provision of press ready plates showing excellent start-up and clean-up properties on press and providing high image quality and high printing durability without the requirement for the use of intermediate film and developer chemistry. On exposure of the plate precursor, removal of the metallic layer occurs in the exposed areas.