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:
Jul. 24, 2001
Filed:
Jul. 08, 1999
Applicant:
Inventors:
Kevin Barry Ray, Morley, GB;
Alison Jane Brooks, West Yorkshire, GB;
Gareth Rhodri Parsons, Morley, GB;
Deborah Jane Firth, late of Wortley, GB;
Christopher David McCullough, Fort Collins, CO (US);
Assignee:
Kodak Polychrome Graphics LLC, Norwalk, CT (US);
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
G03F 7/30 ; G03F 7/021 ;
U.S. Cl.
CPC ...
G03F 7/30 ; G03F 7/021 ;
Abstract
There is described a method of preparing a lithographic plate which comprises coating on a lithographic support having a hydrophilic surface, a layer of a heat sensitive coating, digitally imaging the coating, then processing the plate with water to remove the unexposed areas of the coating to reveal the hydrophilic surface of the plate and to leave an ink receptive image, wherein the heat sensitive coating comprises a diazo salt of formula (I):