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US 6,333,133 B1Granted
Positive planographic printing material
AssigneeFuji Photo Film Co., Ltd.
InventorsIppei Nakamura, Kazuto Kunita
Life of this patent
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Abstract
A positive planographic printing material which is capable of recording a digital data from a computer and the like, using a solid laser or a semiconductor laser emitting infrared rays. The positive planographic printing material comprises at least the following components (A) to (C): (A) a polyfunctional amine compound, (B) a polymer which is water-insoluble and aqueous alkali solution-soluble and (C) an infrared absorber.
Claims21
A positive planographic printing material comprising the following components (A) to (C):
- (A) a polyfunctional amine compound which is an adduct of a polyfunctional polymerizable monomer with an amine compound,
- (B) a polymer which is water-insoluble and aqueous alkali solution-soluble and
- (C) an infrared absorber.
Dependencies are inferred from the claim text.