Radiation imagery chemistry: process – composition – or product th – Dye image from radiation sensitive dye or dye former by dry... – Composition or product
Patent
1991-03-11
1992-10-06
Bowers, Jr., Charles L.
Radiation imagery chemistry: process, composition, or product th
Dye image from radiation sensitive dye or dye former by dry...
Composition or product
430270, 430346, 430945, 430964, G03C 173
Patent
active
051531062
ABSTRACT:
The invention relates to a process for direct and permanent photopositive scribing on a thermochromic coating composition consisting essentially of certain thermosensitive aryl diacetylenes which contain a moiety selected from the group of sulfonyl, amino, urethanyl, carboxylate and nitro radicals, and a dye capable of absorbing radiation energy generated by a laser in a wavelength of from about 600 to about 1,500 nm and to the coating composition comprising said aryl diacetylene and energy absorbing dye.
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Bowers Jr. Charles L.
ISP Investments Inc.
Maue Marilyn J.
McPherson John A.
Ward Joshua J.
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