Photographic uses of polyvinyl-phenylmercapto-tetrazoles

Details Photographic uses of polyvinyl-phenylmercapto-tetrazoles Photographic uses of polyvinyl-phenylmercapto-tetrazoles

1977-04-01

1979-01-16

Schilling, Richard L.

Gas separation: apparatus

Electric field separation apparatus

Including gas flow distribution means

96 3, 96 29D, 96 74, 96 76R, 96 77, 96 95, 96 96, 96 99, 96100R, 96114, G03C 176, G03C 140, G03C 700, G03C 148

Patent

active

041347684

ABSTRACT:
Polymeric derivatives of tetrazole-5-thiols are useful in conjunction with photosensitive silver halide elements as interlayers to provide interimage control, as dispersants for dye image-forming materials or as silver scavengers.

REFERENCES:
patent: 3397987 (1968-08-01), Luckey et al.
patent: 3721555 (1973-03-01), Becker et al.
patent: 3748129 (1973-07-01), Autges et al.
patent: 3787209 (1974-01-01), Land
patent: 3819379 (1974-06-01), Ohyama et al.
patent: 3936401 (1976-02-01), Grasshoff et al.

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