Thermal sensitive materials

Details Thermal sensitive materials Thermal sensitive materials

1976-05-07

1978-09-26

Love, Ethel G.

Chemistry of carbon compounds

Miscellaneous organic carbon compounds

C-metal

C09B 702, C07D20942

Patent

active

041169735

ABSTRACT:
Thermal sensitive indigo compounds are disclosed.
A thermal sensitive sheet material is disclosed utilizing dehydroindigo di(alkyl acylates) as a color producing component. The material can be a copy medium and it can be transparent or non-transparent.
The indigo compounds are substantially colorless dehydroindigo di(alkyl acylates) colorable by thermal exposure.

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