One- or two-component diazo-type material with diphenyl diamine

Details One- or two-component diazo-type material with diphenyl diamine One- or two-component diazo-type material with diphenyl diamine

1981-11-30

1983-12-06

Bowers, Jr., Charles L.

Radiation imagery chemistry: process, composition, or product th

Diazo reproduction, process, composition, or product

Composition or product which contains radiation sensitive...

430146, 430171, 430372, 430519, 430561, G03C 160

Patent

active

044194315

ABSTRACT:
This invention relates to a one- or two-component diazo-type material with improved light stability and duplication capabilities. This is accomplished by using compounds of the general formula ##STR1## wherein R.sub.1, R.sub.2, R.sub.3, R.sub.4 being the same or different, represent hydrogen, alkyl with 1 to 5 carbon atoms, R.sub.1 and R.sub.2 and/or R.sub.3 and R.sub.4 represent the alkyl groups necessary for completion of a 5- or 6-membered heterocyclic ring, wherein the ring may comprise a further hetero atom, such as N, O or S;

REFERENCES:
patent: 2990281 (1961-06-01), Printy et al.
patent: 3336135 (1967-08-01), Terashima et al.
patent: 3704129 (1972-11-01), de Boer et al.
patent: 3716364 (1973-02-01), Gogola
patent: 3857896 (1974-12-01), Desjarlais
Chemical Abstracts, vol. 74, #149245u, 1971.

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