Photographic material containing 3-anilino-5-pyrazolylalkylcarbo

Details Photographic material containing 3-anilino-5-pyrazolylalkylcarbo Photographic material containing 3-anilino-5-pyrazolylalkylcarbo

1976-05-27

1977-12-13

Brown, J. Travis

Gas separation: apparatus

Electric field separation apparatus

And serially arranged nonelectrical separator

96100R, 548360, G03C 700, G03C 140

Patent

active

040626830

ABSTRACT:
3-Anilino-5-pyrazolyl alkylcarbonates and arylcarbonates are described for use in silver halide color photography as color coupler precursor compounds containing no active methylene group so that they do not take part in undesirable side-reactions before color development.

REFERENCES:
patent: T887007 (1971-06-01), Dallon et al.
patent: 2476986 (1949-07-01), Martin
patent: 2575182 (1951-11-01), Martin
patent: 2865748 (1958-12-01), Feniak et al.
patent: 3926631 (1975-12-01), Arai et al.

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