Radiation imagery chemistry: process – composition – or product th – Radiation sensitive product – Silver compound sensitizer containing
Patent
1984-11-21
1985-12-24
Downey, Mary F.
Radiation imagery chemistry: process, composition, or product th
Radiation sensitive product
Silver compound sensitizer containing
430443, 430959, G03C 102, G03C 530
Patent
active
045606463
ABSTRACT:
Compounds of the formula ##STR1## wherein L is a direct bond or consists of a chain of carbon atoms or of a divalent ring system, R.sub.1 to R.sub.4 are hydrogen or alkyl, R.sub.5 or R.sub.6 are hydrogen, alkyl or aryl, or R.sub.5 together with R.sub.6 complete a ring system, and R.sub.7 is hydrogen or a group of the formula ##STR2## wherein L, R.sub.5 and R.sub.6 are as defined. These compounds are useful developing agents for activation processing.
REFERENCES:
patent: 2269481 (1942-01-01), Reindorp
patent: 4446216 (1984-05-01), Smith et al.
Grossel Martin C.
Long William E.
McCombe Kenneth M.
Postle Stephen R.
Smith Norman A.
Ciba Geigy AG
Downey Mary F.
Kolodny Joseph G.
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