Silver halide photographic light sensitive material

Claim 2

A silver halide photographic light sensitive material comprising a support having thereon hydrophilic colloidal layers including a silver halide emulsion layer, wherein said silver halide emulsion layer or a layer adjacent to said silver halide emulsion layer comprises a hydrazine compound represented by formula 1 or 2 and a nucleation-promoting compound selected from the group consisting of amine compounds and quaternary onium salts; an electrically conductive layer is provided between said silver halide emulsion layer and said support, or provided onto the opposite side of said support to said silver halide emulsion layer; and wherein said silver halide photographic material is imagewise exposed and subsequently developed with a developer having a pH value of less than 11, ##STR39## wherein A represents an aryl group or a heterocyclic group containing a sulfur atom or an oxygen atom; n is an integer of 2; R 1 and R 2 represent independently a hydrogen atom, an alkyl group, an alkenyl group, an alkynyl group, an aryl group, a saturated or unsaturated heterocyclic group, a hydroxy group, an alkoxy group, an alkenyloxy group, an alkynyloxy group, an aryloxy group or a heterocyclic-oxy group, provided that at least one of R 1 and R 2 represents an alkenyl group, an alkynyl group, a saturated heterocyclic group, a hydroxy group, an alkoxy, an alkenyloxy, an alkynyloxy group, an aryloxy group or heterocyclic-oxy group; R 3 represents an alkynyl group or a saturated heterocyclic group.

Claim 3

A photographic material of claim 1, wherein said nucleation-promoting compound is represented by the following formulas 3 through 12, R.sub.1 --N (R.sub.2) R.sub.3 Formula 3 wherein R 1 , R 2 and R 3 represent each a hydrogen atom, an alkyl group, an alkenyl group, an alkynyl group, an aryl group or heterocyclic group, and R 1 , R 2 and R 3 may combine to form a ring, ##STR40## wherein Q represents a nitrogen atom or a phosphorus atom; R 1 , R 2 , R 3 and R 4 represent each those defined in R 1 to R 3 of formula 3, and R 1 to R 4 may combine each other to form a ring; X - represents an anion, R.sub.1 (R.sub.2)N--A--Y--R.sub.3 Formula 5 wherein R 1 and R 2 represent each an alkyl group, and R 1 and R 2 may combine each other to form a ring; R 3 represents an alkyl group, an aryl group or heterocyclic group; A represents an alkylene group; Y represents --CONR 4 --, --OCONR 4 --, --NR 4 CONR 4 --, --NR 4 COO--, --COO--, --OCO--, --CO--, --OCOO--, --NR 4 CO--, --SO 2 NR 4 --, --NR 4 SO 2 --, --NR 4 SO 2 NR 4 --, --SO 2 --, --S--, --O--, --NR 4 -- or --N═, wherein R 4 represents a hydrogen atom or an alkyl group, R.sub.1 (R.sub.2)N--E Formula 6 wherein R 1 and R 2 represents each a hydrogen atom, an alkyl group, an alkenyl group, an alkynyl groupan aryl group or a heterocyclic group; E represents a group containing a group represented by the following formula, (CH.sub.2 CH.sub.2 O).sub.n wherein n is an integer of not less than 2; and R 1 , R 2 and E may combine each other to form a ring, R.sub.1 (R.sub.2)N--L--R.sub.3 Formula 7 wherein R 1 , R 2 and R 3 represent each an alkyl group, an alkenyl group, an alkynyl group, an aryl group and a heterocyclic group, provided that at least one of R 1 , R 2 and R 3 represents an alkenyl group or an alkynyl group, or at least one of R 1 and R 2 represents an aryl group or a heterocyclic group; L is a linking group; and R 1 , R 2 , L and R 3 may combine each other to form a ring, R.sub.1 (R.sub.2)N--N(R.sub.3)--(L).sub.m --R.sub.4 Formula 8 wherein R 1 , R 2 and R 4 represent each an alkyl groupan, an alkenyl group, an alkynyl group, an aryl group and a heterocyclic group; R 3 represents a hydrogen atom or substituent; L is a linking group; n is an integer of 0 or 1; and R 1 , R 2 , R 3 and R 4 may combine each other to form a ring, ##STR41## wherein R 1 represents a hydrogen atom, a substituent; R 2 represents an alkyl group, an alkenyl group, an alkynyl group, an aryl group or a heterocyclic group; L is a linking group; n is an integer of 0 or 1; ##STR42## represents a nitrogen-containing heterocyclic ring, R.sub.1 (R.sub.2)N--N(R.sub.3)--R.sub.4 Formula 10 wherein R 1 and R 2 represent each an alkyl group, an alkenyl group, an alkynyl group, an aryl group or a heterocyclic group; R 3 represents a hydrogen atom or substituent; R 4 represents a group containing a group represented by the following formulas, (CH.sub.2 --CH--X).sub.n or (CH.sub.2 --CH--CH.sub.2 --O).sub.n wherein R represents a hydrogen atom or an alkyl group; X represents a oxygen or sulfur atom, or NH group; Y represents a hydrogen atom or OH group; n is an integer of not less than 2; and R 1 , R 2 , R 3 and R 4 may combine each other to form a ring, R.sub.1 (R.sub.2)N--T Formula 11 wherein R 1 and R 2 represent each a hydrogen atom, an alkyl group, an alkenyl group, an alkynyl group, an aryl group and a heterocyclic group; T represents a group containing at least one of a group represented by the following formula, (CH.sub.2 --CH--X).sub.n or (CH"--CH--CH.sub.2 --O).sub.n wherein R represents a hydrogen atom or an alkyl group; X represents a oxygen or sulfur atom, or NH group; Y represent a hydrogen atom or OH group; n is an integer of not less than 2; and R 1 , R 2 and T may combine each other to form a ring, R.sub.1 (R.sub.2)N--G Formula 12 wherein R 1 and R 2 represent each a hydrogen atom, an alkyl group, an alkenyl group, an alkynyl group, an aryl group or a heterocyclic group, G represents a group containing at least one of the groups (CH 2 CH 2 O) n which are the same as defined in the formula 6 and at least two of substituent each having a hydrophobic substituent constant π of -1.0 to -0.5 or at least one of substituent each having a π value of less than -1.0; n is an integer of not less than 2; and R 1 , R 2 and G may combine each other to form a ring.

Claim 4

A photographic material of claim 1, wherein said hydrazine compound represented by the formula 1 or 2 and said nucleation promoting compound are each contained in an amount of 5×10 -7 to 5×10 -1 mols per mol of silver halide.

Claim 5

A photographic material of claim 3, wherein said hydrazine compound and said nucleation-promoting compound are each contained in an amount of 5×10 -6 to 1×10 -2 mols per mol of silver halide.

Claim 6

A photographic material of claim 1, wherein said electrically conductive layer comprises a water-soluble, electrically conductive polymer, a hydrophobic polymer and a hardener of an epoxy compound capable of hardening said conductive layer.

Claim 7

A photographic material of claim 5, wherein said water-soluble, electrically conductive polymer is a polymer containing a group selected from a sulfonic acid group, a sulfuric acid ester group, a quaternary ammonium and a carboxyl group.

Claim 8

A photographic material of claim 5, wherein said hydrophobic polymer comprises at least one of a styrene monomer, an alkyl acrylate monomer and an alkyl methacrylate monomer.

Claim 9

A photographic material of claim 1, wherein said electrically conductive layer comprises a metal oxide.

Claim 10

A photographic material of claim 8, wherein said metal oxide is selected from the group consisting of ZnO 2 , TiO 2 , SnO 2 , Al 2 O 3 , In 2 O 3 , SiO 2 , MgO, BaO, MoO 3 and V 2 O 5 .