Method for producing flexographic printing plates by means...

Printing – Printing members – Blanks and processes

Reexamination Certificate

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C430S306000

Reexamination Certificate

active

06935236

ABSTRACT:
The invention relates to a method for producing flexographic printing forms by engraving a printing relief on a flexographic printing element that can be laser engraved, said element having a photochemically cross-linked relief layer. The relief layer is transparent and comprises oxidic, siliceous or zeolitic solid matter with a particle size between 1 and 400 nm in a quantity of between 0.1 and 8 wt. % in relation to the quantity of all components in the relief layer.

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U.S. Appl. No. 60/254,163.
Technik des Flexodrucks, S. 173ff., 4.Auflage; 1991, Coatings Verlag, St. Gallen, Schweiz.

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