Planographic printing plate precursor

Details Planographic printing plate precursor Planographic printing plate precursor

2005-01-11

2005-01-11

Chu, John S. (Department: 1752)

Radiation imagery chemistry: process, composition, or product th

Diazo reproduction, process, composition, or product

Composition or product which contains radiation sensitive...

C430S165000, C430S166000, C430S191000, C430S192000, C430S193000, C430S270100, C430S271100, C430S273100, C430S302000

Reexamination Certificate

active

06841330

ABSTRACT:
A positive planographic printing plate precursor comprising a recording layer containing a water-insoluble and alkali-soluble resin, an infrared absorbent and an organic quaternary ammonium salt. A positive planographic printing plate precursor comprising at least two recording layers containing the resin and the infrared absorbent with a coating amount of an upper positive recording layer being in the range of 0.05 to 0.45 g/m2.

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