JPS61172143A - Photosensitive material - Google Patents

Photosensitive material

Info

Publication number
JPS61172143A
JPS61172143A JP1229585A JP1229585A JPS61172143A JP S61172143 A JPS61172143 A JP S61172143A JP 1229585 A JP1229585 A JP 1229585A JP 1229585 A JP1229585 A JP 1229585A JP S61172143 A JPS61172143 A JP S61172143A
Authority
JP
Japan
Prior art keywords
coupler
graininess
dispersed
early stage
sharpness
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Pending
Application number
JP1229585A
Other versions
JPH0734107B2 (en
Inventor
Mitsuto Fujiwara
Taku Uchida
Original Assignee
Konishiroku Photo Ind Co Ltd
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Konishiroku Photo Ind Co Ltd filed Critical Konishiroku Photo Ind Co Ltd
Priority to JP1229585A priority Critical patent/JPH0734107B2/en
Publication of JPS61172143A publication Critical patent/JPS61172143A/en
Publication of JPH0734107B2 publication Critical patent/JPH0734107B2/en
Anticipated expiration legal-status Critical
Application status is Expired - Lifetime legal-status Critical

Links

Classifications

    • GPHYSICS
    • G03PHOTOGRAPHY; CINEMATOGRAPHY; ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ELECTROGRAPHY; HOLOGRAPHY
    • G03CPHOTOSENSITIVE MATERIALS FOR PHOTOGRAPHIC PURPOSES; PHOTOGRAPHIC PROCESSES, e.g. CINE, X-RAY, COLOUR, STEREO-PHOTOGRAPHIC PROCESSES; AUXILIARY PROCESSES IN PHOTOGRAPHY
    • G03C7/00Multicolour photographic processes or agents therefor; Regeneration of such processing agents; Photosensitive materials for multicolour processes
    • G03C7/30Colour processes using colour-coupling substances; Materials therefor; Preparing or processing such materials
    • G03C7/32Colour coupling substances
    • G03C7/3225Combination of couplers of different kinds, e.g. yellow and magenta couplers in a same layer or in different layers of the photographic material

Abstract

PURPOSE:To enhance sensitivity and to elevate graininess remarkably without impairing sharpness by combining the first coupler with the second coupler different from each other in the dispersion process and reactivity at the early stage of development. CONSTITUTION:The first coupler dispersed in oil droplets has an oleophilic group and soluboe in a high-b.p. solvent. The second coupler dispersed into an aq. alkaline soln., preferably, has at least one acidic group, such as sulfonic or carboxylic group, and the coupler itself and a coloring dye are not diffused into a hydrophilic colloid. In an emulsion layer contg. both couplers the second coupler is soluble in alkali, and in a dispersed state, and since it is rapid in the early stage development reaction, graininess is remarkably enhanced. Not only graininess but also sharpness can be kept good by regulating the second coupler to <=50mol% or the total amt.
JP1229585A 1985-01-25 1985-01-25 Photographic light-sensitive material Expired - Lifetime JPH0734107B2 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP1229585A JPH0734107B2 (en) 1985-01-25 1985-01-25 Photographic light-sensitive material

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP1229585A JPH0734107B2 (en) 1985-01-25 1985-01-25 Photographic light-sensitive material

Publications (2)

Publication Number Publication Date
JPS61172143A true JPS61172143A (en) 1986-08-02
JPH0734107B2 JPH0734107B2 (en) 1995-04-12

Family

ID=11801336

Family Applications (1)

Application Number Title Priority Date Filing Date
JP1229585A Expired - Lifetime JPH0734107B2 (en) 1985-01-25 1985-01-25 Photographic light-sensitive material

Country Status (1)

Country Link
JP (1) JPH0734107B2 (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS63234225A (en) * 1987-03-23 1988-09-29 Sharp Corp Liquid crystal display device

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS63234225A (en) * 1987-03-23 1988-09-29 Sharp Corp Liquid crystal display device

Also Published As

Publication number Publication date
JPH0734107B2 (en) 1995-04-12

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