EP0311104A2
Expired / Lapsed
EP
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Silver halide color photographic material
Assignee: Fujifilm Holdings Corp
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Filing: 1988-10-07
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Granted: —
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Expires: 2008-10-07
Abstract
Abstract A silver halide color photographic material excellent in stability, which comprises at least one red-sensitive silver halide emulsion layer, at least one green-sensitive silver halide emulsion layer and at least one blue-sensitive silver halide emulsion layer on a support and having a specific photographic sensitivity of 320 or more, wherein the total silver content in said silver halide color photographic material is in the range of from 3.0 to 9.0 g/m<2> and the weight ratio of the amount of gold per unit area to the amount of silver incorporated per unit area is in the range of from 1 x 10<-><8> to 6.0 x 10<-><6>.
Inventors
- 👤 Shinpei Ikenoue
- 👤 Norihiko Sakata
Bibliographic Details
Application Number
—
Jurisdiction
EP
Data Source
google_patents
Last Synchronized
2026-11-07 23:28
CPC Classifications
G; G03; G03C; G03C7/00; G03C7/30; G03C7/3003; G03C7/3022; G03C2007/3025
Claims Analysis
Total Claims: 17
Claim 1
Independent Claim
101 words
A silver halide color photographic material comprising at least one red-sensitive silver halide emulsion layer, at least one green-sensitive silver halide emulsion layer and at least one blue-sensitive silver halide emulsion layer on a support and having a specific photographic sensitivity of 320 or more, wherein the total silver content in said silver halide color photographic material is in the range of from 3.0 to 9.0 g/m² and the weight ratio of the amount of gold per unit area to the amount of silver incorporated per unit area is in the range of from 1 x 10⁻⁸ to 6.0 x 10⁻⁶.
Claim 2
Dependent Claim
101 words
A silver halide color photographic material comprising at least one red-sensitive silver halide emulsion layer, at least one green-sensitive silver halide emulsion layer and at least one blue-sensitive silver halide emulsion layer on a support and having a specific photographic sensitivity of 320 or more, wherein the total silver content in said silver halide color photographic material is in the range of from 3.0 to 9.0 g/m² and the weight ratio of the amount of gold per unit area to the amount of silver incorporated per unit area is in the range of from 1 x 10⁻⁸ to 6.0 x 10⁻⁶.
Claim 3
Dependent Claim
20 words
A silver halide color photographic material as in claim 1, wherein the total silver content is at least 4.5 g/m².
Claim 4
Dependent Claim
21 words
A silver halide color photographic material as in claim 1, wherein the total silver content is not more than 8.0 g/m².
Claim 5
Dependent Claim
31 words
A silver halide color photographic material as in claim 1, wherein the weight ratio of the amount of gold to the amount of silver is not less than 2 x 10⁻⁸.
Claim 6
Dependent Claim
31 words
A silver halide color photographic material as in claim 1, wherein the weight ratio of the amount of gold to the amount of silver is not more than 4 x 10⁻⁶.
Claim 7
Dependent Claim
20 words
A silver halide color photographic material as in claim 1, wherein the photographic material contains at least one two-equivalent coupler.
Claim 8
Dependent Claim
21 words
A silver halide color photographic material as in claim 6, wherein the total silver content is not more than 6.5 g/m².
Claim 9
Dependent Claim
21 words
A silver halide color photographic material as in claim 1, wherein the photographic material contains at least one two-equivalent magenta coupler.
Claim 10
Dependent Claim
21 words
A silver halide color photographic material as in claim 1, wherein the photographic material contains at least one pyrazoloazole magenta coupler.
Claim 11
Dependent Claim
23 words
A silver halide color photographic material as in claim 1, wherein at least one of emulsion layers is sensitized with a gold sensitizer.
Claim 12
Dependent Claim
38 words
A silver halide color photographic material as in claim 10, wherein said gold sensitizer is at least one compound selected from the group consisting f chloroauric acid, potassium cloroaurate, potassium aurithiocyanate, auric trichloride, sodium aurithiosulfate, and auric-5-sulfobenzothiazole-2-sulfide chloride.
Claim 13
Dependent Claim
19 words
A silver halide color photographic material as in claim 10, wherein said emulsion is sensitized with sulfur sensitizing agent.
Claim 14
Dependent Claim
31 words
A silver halide color photographic material as in claim 12, wherein said sulfur sensitizing agent is at least one compound selected form the group consisting of thiosulfates, thioureas, thioazoles and rhodamines.
Claim 15
Dependent Claim
20 words
A silver halide color photographic material as in claim 1, wherein the photographic material is a color negative photographic material.
Claim 16
Dependent Claim
24 words
A silver halide color photographic material as in claim 1, wherein at least one of emulsion layers is sensitized with a reduction sensitizing agent.
Claim 17
Dependent Claim
39 words
A silver halide color photographic material as in claim 15, wherein said reduction sensitizing agent comprises at least one compound selected form the group consisting of stannous salts, amine salts, hydrzazine derivatives, formamidine sulfinic acid, silane compounds and hydrogen.
References Cited (Backward Citations)
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