Pre-dyes, pre-dye compositions, and methods of developing a colo

Details Pre-dyes, pre-dye compositions, and methods of developing a colo Pre-dyes, pre-dye compositions, and methods of developing a colo

1996-06-05

1998-11-17

McPherson, John A.

Radiation imagery chemistry: process, composition, or product th

Dye image from radiation sensitive dye or dye former by dry...

Composition or product

430332, 430338, 430340, 430346, 552114, G03C 173

Patent

active

058374299

ABSTRACT:
One embodiment of the present invention is a method and composition comprising a novel pre-dye molecule that is colorless and stable to ordinary light. The pre-dye molecule is capable of forming a color when exposed to certain wavelengths of electromagnetic radiation. A second embodiment of the present invention is a method of converting a conventional leuco dye to a colored composition by exposing the leuco dye admixed with a radiation transorber to certain wavelengths of electromagnetic radiation.

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