Chemistry of carbon compounds – Miscellaneous organic carbon compounds – C-metal
Patent
1973-04-30
1976-01-06
Randolph, John D.
Chemistry of carbon compounds
Miscellaneous organic carbon compounds
C-metal
96123, 96126, 96127, 96131, 96139, 260240E, 2602401, 2602406, 26024065, 2602407, 2602409, 260288R, 26029359, 260309, C09b 2310, C09b 2314
Patent
active
039311562
ABSTRACT:
The invention relates to a new class of pyrrolobenzimidazole, benzimidazoloisoquinoline and dipyrodinobenzodiimidazole in cyanine sensitizing dyes derived therefrom and their use in silver halide emulsions, and to methods for preparation of such new dyes.
REFERENCES:
patent: 3243298 (1966-03-01), Libeer et al.
patent: 3337540 (1967-08-01), Libeer et al.
patent: 3505319 (1970-04-01), Oliver
Nair et al, J. Am. Chem. Soc. Vol. 83, pp. 3518 to 3521 (1961).
Chemical Abstracts, Vol. 58, cols. 14164 to 14169 (1963) (Abst. of Belgian Patent 618,235 granted 9-17-62).
Depoorter Henri
Lemahieu Raymond Gerard
Libeer Marcel Jan
Van Mierlo Gerrit Godfried
AGFA-GEVAERT N.V.
Breiner A. W.
Randolph John D.
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