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. 23, 1984
Filed:
Sep. 27, 1982
Michael G Fickes, Colts Neck, NJ (US);
Alan L Shobert, Old Bridge, NJ (US);
E. I. Du Pont de Nemours and Company, Wilmington, DE (US);
Abstract
A permanent curl is provided in flexographic printing plates comprising a flexible sheet support and a photosensitive layer of a photopolymerizable elastomeric composition having a dry thickness of about 0.005 to 0.250 inch wherein after liquid development the printing plate is dried, 20.degree. to 80.degree. C. for at least 0.25 hour, and is postexposed by overall actinic radiation exposure for 1 to 30 minutes, at least the postexposure occurring while the printing plate is present on a curved surface, e.g., a printing cylinder. The process is useful for rubber and block copolymer-containing printing plates.