Spectrally sensitized photographic silver halide emulsion

Details Spectrally sensitized photographic silver halide emulsion Spectrally sensitized photographic silver halide emulsion

1974-01-02

1976-01-13

Brown, J. Travis

Gas separation: apparatus

Electric field separation apparatus

Plural diverse electric fields

96 3, 96 29D, 96124, 96137, G03C 140, G03C 114, G03C 118

Patent

active

039321860

ABSTRACT:
Improved green-sensitivity is imparted to a photosensitive silver halide emulsion by a benzimidazolothiacarbocyanine dye of the formula: ##SPC1##
Wherein R.sup.1 and R.sup.2 are lower alkyl; R.sup.3 is sulfoalkyl or carboxyalkyl each having an alkylene chain of from 1 to 4 carbon atoms inclusive; R.sup.4 is hydrogen, halogen, lower alkyl, lower carbalkoxy, lower alkoxy or acetamido; R.sup.5 is halogen, cyano or carbalkoxy; R.sup.6 is hydrogen or halogen; Y is an anion customary in the cyanine dye art; and n is 0 or 1.

REFERENCES:
patent: 3264110 (1966-08-01), Depoorter et al.
patent: 3468661 (1969-09-01), Libeer et al.
patent: 3726684 (1973-04-01), Riester et al.
patent: 3734739 (1973-05-01), Borror

Affiliated with

Also associated with

Rating

Spectrally sensitized photographic silver halide emulsion does not yet have a rating. At this time, there are no reviews or comments for this patent.

If you have personal experience with Spectrally sensitized photographic silver halide emulsion, we encourage you to share that experience with our LandOfFree.com community. Your opinion is very important and Spectrally sensitized photographic silver halide emulsion will most certainly appreciate the feedback.

Rate now

Comments { 0 }

Profile ID: LFUS-PAI-O-744576