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:
Feb. 09, 1982
Filed:
Jun. 25, 1979
Applicant:
Inventor:
Stuart G Lambert, Colchester, GB;
Assignee:
Bexford Limited, London, GB;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
G03C / ;
U.S. Cl.
CPC ...
430271 ; 430270 ; 430281 ; 430285 ; 428480 ; 428910 ;
Abstract
Substrates suitable for the production of photopolymerizable elements comprise an adhesive layer capable of providing durable adhesion between a photopolymerizable layer and a plastics film or sheet, wherein the adhesive layer comprises an unsaturated resin having the formula: ##STR1## wherein R.sub.1 and R.sub.2 are the same or different and represent lower alkyl groups having up to 6 carbon atoms, x and y are the same or different and are an integer from 1 to 4 inclusive and n is an integer from 4 to 30 inclusive. The preferred resin is a propoxylated bisphenol A-fumarate condensate. Suitable for the production of photorelief printing plates.