Silver halide photographic light-sensitive material containing a

Radiation imagery chemistry: process – composition – or product th – Radiation sensitive product – Silver compound sensitizer containing

Patent

Rate now

  [ 0.00 ] – not rated yet Voters 0   Comments 0

Details

430223, 430955, 430956, 430957, 430958, 430959, 430960, G03C 102, G03C 554

Patent

active

047709901

ABSTRACT:
A silver halide photographic material is disclosed. The material comprises a support and at least one silver halide emulsion layer formed thereon, in which said emulsion layer or other layer contains a compound represented by formula (I) ##STR1## wherein X represents an atomic group capable of releasing (Time).sub.t PUG by undergoing an oxidation-reduction reaction with CA.dbd.CR.sub.1 --CR.sub.2).sub.n C.sub.B ; C.sub.A and C.sub.B each represents a carbon atom; n represents an integer of 0, 1, 2, or 3; R.sub.1 and R.sub.2 each a hydrogen atom or a group substitutable for a hydrogen atom; EWG represents an electron withdrawing group having a Hammett's .sigma. para value greater than 0.3; --Time).sub.t PUG represents a group bonded to C.sub.B through an oxygen atom thereof; Time represents a timing group; t represents 0 or 1; and PUG represents a photographically useful group.

REFERENCES:
patent: 3725062 (1973-04-01), Anderson et al.
patent: 4248962 (1981-02-01), Lau
patent: 4409323 (1983-10-01), Sato et al.
patent: 4434225 (1984-02-01), Sugita et al.
patent: 4500633 (1985-02-01), Menjo et al.
patent: 4564587 (1986-01-01), Watanabe et al.
patent: 4628024 (1986-12-01), Kobayashi et al.

LandOfFree

Say what you really think

Search LandOfFree.com for the USA inventors and patents. Rate them and share your experience with other people.

Rating

Silver halide photographic light-sensitive material containing a 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 light-sensitive material containing a, we encourage you to share that experience with our LandOfFree.com community. Your opinion is very important and Silver halide photographic light-sensitive material containing a will most certainly appreciate the feedback.

Rate now

     

Profile ID: LFUS-PAI-O-806678

  Search
All data on this website is collected from public sources. Our data reflects the most accurate information available at the time of publication.