Method for producing flexo printing forms by means of...

Printing – Planographic – Lithographic plate making – and processes of making or using...

Reexamination Certificate

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C430S271100, C430S273100, C430S286100

Reexamination Certificate

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06880461

ABSTRACT:
Flexographic printing plates are produced by means of direct laser engraving by a process in which the starting material used is a flexographic printing element which has a relief-forming layer comprising a combination of a styrene/butadiene block copolymer and 20-40% by weight of a plasticizer. Flexographic printing plates obtainable by this process are used for flexographic printing with water-based or alcohol-based printing inks.

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WO 03/014831—A2, BASF Druckersysteme GmbH, 2003-312706/30, BADI Aug. 3, 2001.

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