Printing medium and use thereof

Details Printing medium and use thereof Printing medium and use thereof

1982-12-30

1984-04-17

Niebling, John F.

Chemistry: electrical and wave energy

Processes and products

3461351, 427145, B41M 520, G01D 1534

Patent

active

044433026

ABSTRACT:
A printing medium which includes a substrate coated with a compound of the formula: ##STR1## wherein R.sub.3 is a ring group having certain substituents in at least one ortho position with respect to the atom connected to C.dbd.O; and each R.sub.1 and R.sub.2 individually is aryl or alkaryl or are interconnected to form with the nitrogen atom a phenothiazine, phenoxazine, or phenazine or substituted derivative; and coated with an oxidizing agent or reduced form thereof; and method of use.

REFERENCES:
patent: 2367113 (1945-01-01), Gibney
patent: 4211616 (1980-07-01), Sambucetti
patent: 4309255 (1982-01-01), Gendler et al.
patent: 4374081 (1983-02-01), Bernier

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