Direct positive silver halide photographic emulsions

Details Direct positive silver halide photographic emulsions Direct positive silver halide photographic emulsions

1984-11-28

1986-07-08

Louie, Won H.

Radiation imagery chemistry: process, composition, or product th

Post imaging processing

Positive

430581, 430596, G03C 524, G03C 102

Patent

active

045993009

ABSTRACT:
There is provided a high speed and high contrast direct positive silver halide photographic emulsion which is free of discoloration by containing therein a dimethine dye having an indolenine ring which contains a cyano group as a substituent.

REFERENCES:
patent: 3687675 (1972-08-01), Gaugh
patent: 3764338 (1973-10-01), Depoorter et al.
patent: 3846137 (1974-11-01), Riester et al.
patent: 3941602 (1976-03-01), Depoorter et al.
patent: 3945832 (1976-03-01), Shiba et al.
patent: 4175965 (1979-11-01), Yoshida et al.
patent: 4259439 (1981-03-01), Tanaka et al.
patent: 4510235 (1985-04-01), Ukai et al.

Affiliated with

Also associated with

Rating

Direct positive silver halide photographic emulsions does not yet have a rating. At this time, there are no reviews or comments for this patent.

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

Rate now

Comments { 0 }

Profile ID: LFUS-PAI-O-1451077