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:
Dec. 04, 2001
Filed:
Jun. 08, 2000
Applicant:
Inventors:
Wolfgang Alince, Neu-Isenburg, DE;
Dietmar Dudek, Langen, DE;
Assignee:
E. I. du Pont de Nemours and Company, Wilmington, DE (US);
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
G03C 1/76 ; G03C 1/765 ; G03C 1/815 ; G03F 7/11 ; G03F 7/20 ;
U.S. Cl.
CPC ...
G03C 1/76 ; G03C 1/765 ; G03C 1/815 ; G03F 7/11 ; G03F 7/20 ;
Abstract
An edge-covering material and a process for preventing undesirable ridges from exposure of laser-processible, photopolymerizable printing plates premounted on sleeves or cylinders is disclosed. The edge-covering material containing at least one soluble, film-forming polymer, at least one UV absorber, and a solvent or a solvent mixture is applied on the edges of the photo-polymerizable printing plate before imagewise exposure of the photopolymerizable printing plate.