Silver halide photographic material

Details Silver halide photographic material Silver halide photographic material

1994-06-22

1996-06-25

Bowers, Jr., Charles L.

Radiation imagery chemistry: process, composition, or product th

Radiation sensitive product

Silver compound sensitizer containing

430599, 430607, 430576, 430581, 430584, 430585, 430588, 430598, G03C 1005, G03C 1494

Patent

active

055298966

ABSTRACT:
A silver halide photographic material comprising a support having thereon at least one silver halide emulsion layer, wherein the layer contains at least one compound represented by the following formula (I) and at least one compound represented by the following formula (X): ##STR1## wherein R.sub.1, R.sub.2 and R.sub.3 are the same or different and each represents a substituted or unsubstituted aliphatic group, a substituted or unsubstituted aryl group or a substituted or unsubstituted heterocyclic group; R.sub.4 represents a hydrogen atom, a substituted or unsubstituted alkyl group, a substituted or unsubstituted aryl group or a substituted or unsubstituted heterocyclic group; and R.sub.1 and R.sub.2, and R.sub.3 and R.sub.4 each may be combined with each other to form a ring; ##STR2## wherein Z.sub.11 represents a sulfur atom, a selenium atom or a substituted nitrogen atom represented by ##STR3## in which R.sub.13 represents a substituted or unsubstituted alkyl group, a substituted or unsubstituted aryl group or a substituted or unsubstituted heterocyclic group; Z.sub.12 represents a sulfur atom, a selenium atom, an oxygen atom or a substituted nitrogen atom represented by ##STR4## in which R.sub.13a has the same meaning as R.sub.13 ; R.sub.11 and R.sub.12 are the same or different and each represents a substituted or unsubstituted alkyl group; V.sub.11, V.sub.12, V.sub.13, V.sub.14, V.sub.15, V.sub.16, V.sub.17 and V.sub.18 are the same or different and each represents a hydrogen atom or a monovalent substituent; and adjacent two substituents thereof may be combined with each other to form a ring; L.sub.11, L.sub.12 and L.sub.13 are the same or different and each represents a substituted or unsubstituted methine group; n.sub.11 represents 1, 2 or 3; M.sub.11 represents a counter ion for neutralizing charge; and m.sub.11 is a number of 0 or more necessary for neutralizing the molecular charge.

REFERENCES:
patent: 2423710 (1944-05-01), Knott
patent: 3615533 (1971-10-01), Rauner et al.
patent: 4725532 (1988-02-01), Kameoka et al.
patent: 5093222 (1992-03-01), Katoh
Patent Abstracts of Japan, Silver Halide Photographic Material for Forming Direct Positive Image, vol. 4, No. 66 (p-11) [548] May 17, 1980.

Affiliated with

Also associated with

Rating

Silver halide photographic material does not yet have a rating. At this time, there are no reviews or comments for this patent.

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

Rate now

Comments { 0 }

Profile ID: LFUS-PAI-O-2188106