Laser marking method

Radiation imagery chemistry: process – composition – or product th – Imaging affecting physical property of radiation sensitive... – Radiation sensitive composition or product or process of making

Reexamination Certificate

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C270S052160

Reexamination Certificate

active

10479944

ABSTRACT:
A method of colouring a polymeric material containing a) a latent acid, b) a color former and c) optionally further ingredients by irradiation with UV-light.

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patent: 2004/0157947 (2004-08-01), Heneghan
patent: 0290750 (1988-11-01), None
patent: 0600441 (1994-06-01), None
patent: 0720053 (1996-07-01), None
Heat sensitive recording material, Research Disclosure Database No. 433039, Published in May 2000.
Abstract and machine English language translation of JP 07331090 19951219.

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