Patents Assigned to Cookson Graphics Inc. - Justia Patents Search

Patents Assigned to Cookson Graphics Inc.

Multilayer photopolymeric printing plates with photoreactive diazo compounds and photopolymerizable compositions

Patent number: 4886731

Abstract: Photopolymeric printing plates wherein an electrochemically etched, anodized and silicated aluminum plate has a plurality of coatings applied thereon and wherein at least one of the coatings include a solvent soluble diazo therein.

Type: Grant

Filed: May 10, 1989

Date of Patent: December 12, 1989

Assignee: Cookson Graphics Inc.

Inventors: Maria T. Sypek, Thomas P. Rorke