Color photographic materials with spiro heterocyclic stabilizing

Details Color photographic materials with spiro heterocyclic stabilizing Color photographic materials with spiro heterocyclic stabilizing

1975-12-15

1978-01-17

Klein, David

Gas separation: apparatus

Electric field separation apparatus

Plural diverse electric fields

96 56, 96 74, 96 77, 96 87R, 96100R, 96109, 427299, G03C 148, G03C 134, G03C 700, G03C 140

Patent

active

040690520

ABSTRACT:
A photographic silver halide material containing a new stabilizer compound which is an aromatic compound containing in ortho position two bridging members which are linked to form a spiro structure with a 2'-imidazolidine-4',5'-dione as defined hereinafter.

REFERENCES:
patent: 3137578 (1964-06-01), De Selms
patent: 3582333 (1971-06-01), Yost et al.

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