Claims Analysis
Total Claims: 12
Claim 1
Independent Claim
185 words
A silver halide photographic emulsion containing, in supersensitizing amounts, the combination of at least one sensitizing dye represented by the following general formula (I) ##STR20## wherein Z 1 represents the atoms necessary to form a benzimidazole ring, an oxazole ring, a benzoxazole ring or a naphthoxazole ring; Z 2 represents the atoms necessary to form a thiazole ring, a benzothiazole ring, a naphthothiazole ring, a selenazole ring, a benzoselenazole ring or a naphthoselenazole ring; R 1 and R 2 each represents an aliphatic group; R 3 represents a hydrogen atom, an alkyl group, an aryl group or an aralkyl group; X 1 represents an acid anion; m represents 1 or 2, and m represents 1 when the dye forms an intramolecular salt; and at least one second sensitizing dye represented by the following general formula (II) ##STR21## wherein Z 3 represents the atoms necessary to complete a benzoxazole, ring; Q represents the atoms necessary to form a thiohydantoin ring; R 4 represents an aliphatic group; R 5 represents a hydrogen atom, an alkyl group, an aryl group or an aralkyl group; and n is 2.
Claim 2
Dependent Claim
185 words
A silver halide photographic emulsion containing, in supersensitizing amounts, the combination of at least one sensitizing dye represented by the following general formula (I) ##STR20## wherein Z 1 represents the atoms necessary to form a benzimidazole ring, an oxazole ring, a benzoxazole ring or a naphthoxazole ring; Z 2 represents the atoms necessary to form a thiazole ring, a benzothiazole ring, a naphthothiazole ring, a selenazole ring, a benzoselenazole ring or a naphthoselenazole ring; R 1 and R 2 each represents an aliphatic group; R 3 represents a hydrogen atom, an alkyl group, an aryl group or an aralkyl group; X 1 represents an acid anion; m represents 1 or 2, and m represents 1 when the dye forms an intramolecular salt; and at least one second sensitizing dye represented by the following general formula (II) ##STR21## wherein Z 3 represents the atoms necessary to complete a benzoxazole, ring; Q represents the atoms necessary to form a thiohydantoin ring; R 4 represents an aliphatic group; R 5 represents a hydrogen atom, an alkyl group, an aryl group or an aralkyl group; and n is 2.
Claim 3
Dependent Claim
35 words
The silver halide photographic emulsion as described in claim 1, wherein Z 1 forms a benzoxazole ring or a naphtho[1,2-d]oxazole ring and Z 2 forms a benzothiazole ring, a benzoselenazole ring or a naphtho[1,2-d]thiazole ring.
Claim 4
Dependent Claim
34 words
The silver halide photographic emulsion as described in claim 1, wherein Z 1 forms a benzimidazole ring and Z 2 forms a benzothiazole ring, a benzoselenazole ring, a naphtho[1,2-d]thiazole ring or a naphtho[1,2-d]selenazole ring.
Claim 5
Dependent Claim
81 words
The silver halide photographic emulsion as described in claim 1, wherein Z 1 forms a naphtho[1,2-d]oxazole ring or a benzoxazole ring which may be substituted with a chlorine atom, a methyl group or a methoxy group at the 5-position; Z 2 forms a benzothiazole ring which may be substituted with a chlorine atom, a methyl group, a methoxy group or a phenyl group at the 5-position or a benzoselenazole ring; and R 3 is a methyl group or an ethyl group.
Claim 6
Dependent Claim
31 words
The silver halide photographic emulsion as described in claim 1, wherein at least one of R 1 or R 2 is a sulfoalkyl group, a carboxyalkyl group or a hydroxyalkyl group.
Claim 7
Dependent Claim
62 words
The silver halide photographic emulsion as described in claim 1, wherein at least one sensitizing dye represented by the general formula (I) and at least one sensitizing dye represented by the general formula (II) each is incorporated in a supersensitizing amount ranging from about 1 × 10 - 6 mol to 5 × 10 - 3 mol per mol of silver halide.
Claim 8
Dependent Claim
38 words
The silver halide photographic emulsion as described in claim 6, wherein the molar ratio of the dye represented by the general formula (I) to the dye represented by the general formula (II) ranges from about 1:10 to 10:1.
Claim 9
Dependent Claim
61 words
The silver halide photographic emulsion as described in claim 1, wherein at least one sensitizing dye represented by the general formula (I) and at least one sensitizing dye represented by the general formula (II) each is incorporated in a supersensitizing amount ranging from 1 × 10 - 5 mol to 2.5 × 10 - 3 mol per mol of silver halide.
Claim 10
Dependent Claim
199 words
The silver halide photographic emulsion as described in claim 1, wherein the emulsion additionally contains at least one sensitizing dye represented by the general formula (III) or (IV) ##STR22## wherein Y 1 and Y 2 each represents the atoms necessary to form a benzoxazole ring, a naphtho[1,2-d]oxazole ring, or a benzoimidazole ring which may be substituted with groups which do not adversely affect the sensitivity; A 1 and A 2 each represents an aliphatic group; A 3 represents a hydrogen atom or an alkyl group having 1 to 3 carbon atoms; and X 2 and n each has the same meaning as X 1 and m, respectively, of the general formula (I); ##STR23## wherein Y 3 and Y 4 each represents the atoms necessary to form a benzothiazole ring, a benzoselenazole ring, a naphtho[1,2-d]thiazole ring or a naphtho[1,2-d]selenazole ring which may be substituted with substituents which do not adversely affect the sensitivity; A 4 and A 5 each represents an aliphatic group; A 6 represents an alkyl group having 1 to 3 carbon atoms or an aryl groups; and X 3 and p each has the same meaning as X 1 and m, respectively, of the general formula (I).
Claim 11
Dependent Claim
20 words
A silver halide light-sensitive material comprising a support having thereon the silver halide photographic emulsion as described in claim 1.
Claim 12
Dependent Claim
31 words
A silver halide light-sensitive material comprising at least one layer containing the silver halide photographic emulsion as described in claim 1, and wherein the emulsion additionally contains at least one coupler.