Photosensitive azido color-forming element

Details Photosensitive azido color-forming element Photosensitive azido color-forming element

1974-10-17

1977-04-26

Bowers, Jr., Charles L.

Gas separation: apparatus

Electric field separation apparatus

Plural diverse electric fields

96 33, 96 362, 96 363, 96 49, 96 85, 96 86R, 96 86P, 96 87R, 96 91N, 96115R, 260349, G03F 708, G03C 152

Patent

active

040199070

ABSTRACT:
A photosensitive color-forming element comprises a support and a photosensitive color-forming layer formed on said support and containing therein at least one photosensitive color-forming azido compound of the formula ##STR1## wherein [A] is a benzene ring or naphthalene ring, R.sub.1 and R.sub.2 each is a hydrogen or halogen atom or alkyl, alkoxyl, dialkylamino, acyl, acylamino, nitro or hydroxyl radical, and R.sub.3 is a hydrogen or halogen atom, or alkyl, alkoxyl, nitro, carboxyl, alkylcarboxyl, dialkylcarbamoyl, sulfonic acid, dialkylaminosulfonyl, alkylsulfonyl or acyl radical or a group of the formula (II), (III), (IV) or (V): ##STR2## in which formula X is an --O-- bonding or --NH-- bonding.

REFERENCES:
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patent: 2690968 (1954-10-01), Powers, Jr.
patent: 2692826 (1954-10-01), Neugebauer et al.
patent: 3062650 (1962-11-01), Sagura et al.
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patent: 3174860 (1965-03-01), Sus et al.
patent: 3235383 (1966-02-01), Steppan et al.
patent: 3679419 (1972-07-01), Gillich
patent: 3844793 (1974-10-01), Singh
patent: 3856531 (1974-12-01), Grisdale et al.
patent: 3867147 (1975-02-01), Teuschev
Kosar; Light Sensitive Systems, 1935; pp. 203, 208 and 330-334.

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