EP0317886B1 - Papier noir et blanc à gradation variable - Google Patents

Papier noir et blanc à gradation variable Download PDF

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Publication number
EP0317886B1
EP0317886B1 EP88119074A EP88119074A EP0317886B1 EP 0317886 B1 EP0317886 B1 EP 0317886B1 EP 88119074 A EP88119074 A EP 88119074A EP 88119074 A EP88119074 A EP 88119074A EP 0317886 B1 EP0317886 B1 EP 0317886B1
Authority
EP
European Patent Office
Prior art keywords
emulsion
gradation
paper
variable
mol
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.)
Expired - Lifetime
Application number
EP88119074A
Other languages
German (de)
English (en)
Other versions
EP0317886A3 (en
EP0317886A2 (fr
Inventor
Walter Dr. Pätzold
Helmut Dr. Kampfer
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Agfa Gevaert AG
Original Assignee
Agfa Gevaert AG
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 Agfa Gevaert AG filed Critical Agfa Gevaert AG
Publication of EP0317886A2 publication Critical patent/EP0317886A2/fr
Publication of EP0317886A3 publication Critical patent/EP0317886A3/de
Application granted granted Critical
Publication of EP0317886B1 publication Critical patent/EP0317886B1/fr
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

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Classifications

    • G—PHYSICS
    • G03—PHOTOGRAPHY; CINEMATOGRAPHY; ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ELECTROGRAPHY; HOLOGRAPHY
    • G03C—PHOTOSENSITIVE MATERIALS FOR PHOTOGRAPHIC PURPOSES; PHOTOGRAPHIC PROCESSES, e.g. CINE, X-RAY, COLOUR, STEREO-PHOTOGRAPHIC PROCESSES; AUXILIARY PROCESSES IN PHOTOGRAPHY
    • G03C1/00—Photosensitive materials
    • G03C1/005—Silver halide emulsions; Preparation thereof; Physical treatment thereof; Incorporation of additives therein
    • G03C1/06—Silver halide emulsions; Preparation thereof; Physical treatment thereof; Incorporation of additives therein with non-macromolecular additives
    • G03C1/08—Sensitivity-increasing substances
    • G03C1/10—Organic substances
    • G03C1/12—Methine and polymethine dyes
    • G—PHYSICS
    • G03—PHOTOGRAPHY; CINEMATOGRAPHY; ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ELECTROGRAPHY; HOLOGRAPHY
    • G03C—PHOTOSENSITIVE MATERIALS FOR PHOTOGRAPHIC PURPOSES; PHOTOGRAPHIC PROCESSES, e.g. CINE, X-RAY, COLOUR, STEREO-PHOTOGRAPHIC PROCESSES; AUXILIARY PROCESSES IN PHOTOGRAPHY
    • G03C1/00—Photosensitive materials
    • G03C1/005—Silver halide emulsions; Preparation thereof; Physical treatment thereof; Incorporation of additives therein
    • G03C1/035—Silver halide emulsions; Preparation thereof; Physical treatment thereof; Incorporation of additives therein characterised by the crystal form or composition, e.g. mixed grain
    • G—PHYSICS
    • G03—PHOTOGRAPHY; CINEMATOGRAPHY; ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ELECTROGRAPHY; HOLOGRAPHY
    • G03C—PHOTOSENSITIVE MATERIALS FOR PHOTOGRAPHIC PURPOSES; PHOTOGRAPHIC PROCESSES, e.g. CINE, X-RAY, COLOUR, STEREO-PHOTOGRAPHIC PROCESSES; AUXILIARY PROCESSES IN PHOTOGRAPHY
    • G03C1/00—Photosensitive materials
    • G03C1/005—Silver halide emulsions; Preparation thereof; Physical treatment thereof; Incorporation of additives therein
    • G03C1/06—Silver halide emulsions; Preparation thereof; Physical treatment thereof; Incorporation of additives therein with non-macromolecular additives
    • G03C1/34—Fog-inhibitors; Stabilisers; Agents inhibiting latent image regression
    • G03C1/346—Organic derivatives of bivalent sulfur, selenium or tellurium
    • G—PHYSICS
    • G03—PHOTOGRAPHY; CINEMATOGRAPHY; ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ELECTROGRAPHY; HOLOGRAPHY
    • G03C—PHOTOSENSITIVE MATERIALS FOR PHOTOGRAPHIC PURPOSES; PHOTOGRAPHIC PROCESSES, e.g. CINE, X-RAY, COLOUR, STEREO-PHOTOGRAPHIC PROCESSES; AUXILIARY PROCESSES IN PHOTOGRAPHY
    • G03C1/00—Photosensitive materials
    • G03C1/005—Silver halide emulsions; Preparation thereof; Physical treatment thereof; Incorporation of additives therein
    • G03C1/035—Silver halide emulsions; Preparation thereof; Physical treatment thereof; Incorporation of additives therein characterised by the crystal form or composition, e.g. mixed grain
    • G03C2001/03564—Mixed grains or mixture of emulsions

Claims (5)

  1. Papier noir et blanc à gradation variable comprenant au moins une couche d'emulsion à l'halogénure d'argent constituée par un mélange d'au moins deux émulsions photosensibles à l'halogénure d'argent, dont la première a son maximum d'absorption dans le domaine de 480 à 580 nm et l'autre en dessous de 480 nm, caractérisé en ce que l'émulsion qui a son maximum d'absorption en dessous de 480 nm contient un composé de formule
    Figure imgb0025
     dans laquelle
    X   représente les chaînons restants d'un radical hétérocyclique éventuellement benzo- ou naphto-condensé et contenant éventuellement d'autres substituants.
  2. Papier noir et blanc à gradation variable selon la revendication 1, caractérisé en ce que l'émulsion qui a son maximum d'absorption en dessous de 480 nm contient un composé de formule
    Figure imgb0026
     dans laquelle
    R₁ et R₂ sont les chaînons restants d'un radical benzo- ou naphto-substitué par au moins un groupe sulfo, qui peut contenir éventuellement d'autres substituants.
  3. Papier noir et blanc à gradation variable selon la revendication 2, dans lequel R₁ et R₂ représentent les chaînons restants d'un radical benzo- ou naphto-substitué par un ou deux groupes sulfo, qui peut être substitué par un groupe alkyle en C₁-C₄ ou par un atome d'halogène.
  4. Papier noir et blanc à gradation variable selon la revendication 1, caractérisé en ce que les émulsions contiennent des halogénures d'argent constitués par 20 à 80 moles % de chlorure, 20 à 80 moles de % de bromure et 0 à 5 moles % d'iodure.
  5. Papier noir et blanc à gradation variable selon la revendication 1, caractérisé en ce que la granulométrie moyenne des émulsions à l'halogénure d'argent se situe de 0,2 à 0,6 µm.
EP88119074A 1987-11-24 1988-11-17 Papier noir et blanc à gradation variable Expired - Lifetime EP0317886B1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE19873739766 DE3739766A1 (de) 1987-11-24 1987-11-24 Gradationsvariables sw-papier
DE3739766 1987-11-24

Publications (3)

Publication Number Publication Date
EP0317886A2 EP0317886A2 (fr) 1989-05-31
EP0317886A3 EP0317886A3 (en) 1990-12-27
EP0317886B1 true EP0317886B1 (fr) 1994-03-16

Family

ID=6341134

Family Applications (1)

Application Number Title Priority Date Filing Date
EP88119074A Expired - Lifetime EP0317886B1 (fr) 1987-11-24 1988-11-17 Papier noir et blanc à gradation variable

Country Status (5)

Country Link
US (1) US5006455A (fr)
EP (1) EP0317886B1 (fr)
JP (1) JP2622407B2 (fr)
DE (2) DE3739766A1 (fr)
ES (1) ES2050139T3 (fr)

Families Citing this family (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE58907613D1 (de) * 1988-11-15 1994-06-09 Agfa Gevaert Ag Silberhalogenidaufzeichnungsmaterial.
DE58907695D1 (de) * 1989-01-07 1994-06-23 Agfa Gevaert Ag Silberhalogenidaufzeichnungsmaterial.
JPH046550A (ja) * 1990-04-24 1992-01-10 Mitsubishi Paper Mills Ltd ハロゲン化銀写真材料
JP2597431B2 (ja) * 1991-04-24 1997-04-09 三菱製紙株式会社 ハロゲン化銀写真材料
EP0594897B1 (fr) * 1992-10-30 1998-03-18 Agfa-Gevaert N.V. Matériau photographique contenant un mélange d'émulsions à l'halogénure d'argent
EP0599383B1 (fr) * 1992-11-19 2001-02-28 Eastman Kodak Company Eléments photographiques à l' halogénure d'argent contenant composés colorants substitués par furanne ou pyrrole
EP0599384B1 (fr) * 1992-11-19 2000-01-19 Eastman Kodak Company Composés colorants et éléments photographiques les contenant
JP3588160B2 (ja) * 1994-05-18 2004-11-10 イーストマン コダック カンパニー 複素環式置換基を有する青色増感色素
JPH07325361A (ja) * 1994-06-02 1995-12-12 Mitsubishi Paper Mills Ltd ハロゲン化銀写真感光材料
DE19601141C2 (de) * 1995-07-31 1998-08-20 Agfa Gevaert Ag Gradationsvariables Schwarz-Weiß-Papier
GB9626281D0 (en) * 1996-12-18 1997-02-05 Kodak Ltd Photographic high contrast silver halide material

Family Cites Families (12)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CA539568A (fr) * 1957-04-16 D. Hill George Moyen d'empecher la migration de la teinture dans les emulsions photographiques
GB494088A (en) * 1937-03-18 1938-10-18 Frank Forster Renwick Improvements in or relating to photographic printing processes and materials
GB561875A (en) * 1942-12-03 1944-06-08 John David Kendall Improvements in or relating to photographic materials
FR1222449A (fr) * 1958-07-31 1960-06-09 Kodak Pathe Nouveau produit photographique à émulsion aux halogénures d'argent
BE595325A (fr) * 1960-09-23
BE629343A (fr) * 1962-03-08
GB1225241A (fr) * 1967-04-21 1971-03-17
GB1298302A (en) * 1971-04-05 1972-11-29 Agfa Gevaert Ag Process for the photographic production of equidensities
DE3020163A1 (de) * 1980-05-28 1981-12-03 Agfa-Gevaert Ag, 5090 Leverkusen Fotografisches aufzeichnungsmaterial und dessen verwendung zur herstellung von bildern
DE3028167A1 (de) * 1980-07-25 1982-04-01 Agfa-Gevaert Ag, 5090 Leverkusen Photographisches aufzeichnungsmaterial mit variablem kontrast
DE3635388A1 (de) * 1985-10-22 1987-04-23 Konishiroku Photo Ind Lichtempfindliches photographisches silberhalogenidmaterial
DE3605713A1 (de) * 1986-02-22 1987-08-27 Agfa Gevaert Ag Farbfotografisches aufzeichnungsmaterial

Also Published As

Publication number Publication date
ES2050139T3 (es) 1994-05-16
EP0317886A3 (en) 1990-12-27
JP2622407B2 (ja) 1997-06-18
DE3739766A1 (de) 1989-06-08
EP0317886A2 (fr) 1989-05-31
US5006455A (en) 1991-04-09
JPH01167745A (ja) 1989-07-03
DE3888461D1 (de) 1994-04-21

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