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:
Oct. 19, 1993
Filed:
Nov. 23, 1992
Applicant:
Inventors:
Terence Etherington, Leeds, GB;
Victor Kolodziejczyk, Bradford, GB;
Assignee:
Vickers plc, London, GB;
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
G03F / ; G03F / ; G03F / ; C08F / ;
U.S. Cl.
CPC ...
430171 ; 430157 ; 430167 ; 430175 ; 430176 ; 430195 ; 430197 ; 430325 ; 430906 ; 525 58 ; 525 59 ; 525293 ; 525301 ; 525502 ; 525528 ; 522 32 ; 522149 ; 552-8 ;
Abstract
A radiation sensitive material suitable for the production of radiation sensitive plates for lithographic printing plate manufacture comprises a polymer having appendent azide-substituted aromatic ester groups and sulphonyl urethane groups. The radiation sensitive compound is produced by a process in which some hydroxyl and/or epoxide groups of a polymer are reacted with an azide substituted carboxylic acid or ester forming derivative thereof, and some hydroxyl groups are reacted with a sulphonyl isocyanate.