EP0244356A3 - Verfahren zur Herstellung photographischer Direktpositivemulsionen - Google Patents

Verfahren zur Herstellung photographischer Direktpositivemulsionen Download PDF

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Publication number
EP0244356A3
EP0244356A3 EP87810251A EP87810251A EP0244356A3 EP 0244356 A3 EP0244356 A3 EP 0244356A3 EP 87810251 A EP87810251 A EP 87810251A EP 87810251 A EP87810251 A EP 87810251A EP 0244356 A3 EP0244356 A3 EP 0244356A3
Authority
EP
European Patent Office
Prior art keywords
silver halide
positive emulsions
photographic direct
preparing photographic
shell
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
EP87810251A
Other languages
English (en)
French (fr)
Other versions
EP0244356A2 (de
Inventor
Pierre-Alain Dr. Brugger
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.)
Ilford Imaging Switzerland GmbH
Original Assignee
Ciba Geigy AG
Ilford 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 Ciba Geigy AG, Ilford AG filed Critical Ciba Geigy AG
Publication of EP0244356A2 publication Critical patent/EP0244356A2/de
Publication of EP0244356A3 publication Critical patent/EP0244356A3/de
Pending legal-status Critical Current

Links

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
    • G03C1/485—Direct positive emulsions
    • G03C1/48538—Direct positive emulsions non-prefogged, i.e. fogged after imagewise exposure
    • G03C1/48569—Direct positive emulsions non-prefogged, i.e. fogged after imagewise exposure characterised by the emulsion type/grain forms, e.g. tabular grain emulsions
    • G03C1/48576—Direct positive emulsions non-prefogged, i.e. fogged after imagewise exposure characterised by the emulsion type/grain forms, e.g. tabular grain emulsions core-shell grain emulsions
    • 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
    • G03C1/0051—Tabular grain emulsions
    • 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
    • G03C8/00—Diffusion transfer processes or agents therefor; Photosensitive materials for such processes
    • G03C8/02—Photosensitive materials characterised by the image-forming section
    • 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
    • G03C1/14—Methine and polymethine dyes with an odd number of CH groups
    • G03C1/18—Methine and polymethine dyes with an odd number of CH groups with three CH groups

Landscapes

  • Chemical & Material Sciences (AREA)
  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Engineering & Computer Science (AREA)
  • Materials Engineering (AREA)
  • Silver Salt Photography Or Processing Solution Therefor (AREA)
  • Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)

Abstract

Verfahren zur Herstellung photographischer Direktpositivemulsionen, die plättchenförmige Silberhalogenidkristalle mit geschichtetem Aufbau enthalten und ein latentes Innenbild liefern können, durch Aufwachsen einer Hülle von Silberhalogenid auf chemisch sensibilisierte plättchenförmige Silberhalogenidkerne, Sensibilisierung der Hülle und Behandlung der erhaltenen Kristalle mit Jodidionen.
EP87810251A 1986-04-25 1987-04-21 Verfahren zur Herstellung photographischer Direktpositivemulsionen Pending EP0244356A3 (de)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
CH169286 1986-04-25
CH1692/86 1986-04-25

Publications (2)

Publication Number Publication Date
EP0244356A2 EP0244356A2 (de) 1987-11-04
EP0244356A3 true EP0244356A3 (de) 1988-04-27

Family

ID=4216375

Family Applications (1)

Application Number Title Priority Date Filing Date
EP87810251A Pending EP0244356A3 (de) 1986-04-25 1987-04-21 Verfahren zur Herstellung photographischer Direktpositivemulsionen

Country Status (2)

Country Link
EP (1) EP0244356A3 (de)
JP (1) JPS62260139A (de)

Families Citing this family (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE3873473T2 (de) * 1987-10-16 1993-04-01 Fuji Photo Film Co Ltd Photographische silberhalogenidemulsion.
JPH0743509B2 (ja) * 1988-05-30 1995-05-15 富士写真フイルム株式会社 ハロゲン化銀写真感光材料
JPH0782215B2 (ja) * 1988-07-11 1995-09-06 富士写真フイルム株式会社 ハロゲン化銀写真感光材料
JPH0833602B2 (ja) * 1988-07-19 1996-03-29 富士写真フイルム株式会社 ハロゲン化銀写真感光材料
JPH0778599B2 (ja) * 1988-07-29 1995-08-23 富士写真フイルム株式会社 ハロゲン化銀写真感光材料
JPH0786663B2 (ja) * 1988-08-29 1995-09-20 富士写真フイルム株式会社 直接ポジハロゲン化銀感光材料
JP2664272B2 (ja) * 1990-06-06 1997-10-15 富士写真フイルム株式会社 ハロゲン化銀写真乳剤の製造方法
US5364747A (en) * 1992-11-25 1994-11-15 Eastman Kodak Company Color correcting layers consisting essentially of at least one dye-forming coupler and gelatin in chromogenic black-and-white photographic imaging systems

Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE324643C (de) * 1916-04-19 1920-08-30 Adolf Klinkenberg Verfahren zur Herstellung von Flusseisen und Stahl
DE3241643A1 (de) * 1981-11-12 1983-05-19 Eastman Kodak Co., 14650 Rochester, N.Y. Direkt-positives photographisches aufzeichnungsmaterial
US4581328A (en) * 1983-11-16 1986-04-08 Fuji Photo Film Co., Ltd. Internal latent image core/shell silver halide photographic emulsions

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE324643C (de) * 1916-04-19 1920-08-30 Adolf Klinkenberg Verfahren zur Herstellung von Flusseisen und Stahl
DE3241643A1 (de) * 1981-11-12 1983-05-19 Eastman Kodak Co., 14650 Rochester, N.Y. Direkt-positives photographisches aufzeichnungsmaterial
US4581328A (en) * 1983-11-16 1986-04-08 Fuji Photo Film Co., Ltd. Internal latent image core/shell silver halide photographic emulsions

Non-Patent Citations (1)

* Cited by examiner, † Cited by third party
Title
J.M. EDER: "Ausführliches Handbuch der Photographie", 3. Auflage, Band 2, Teil 1, 1927, Seiten 567-584, Verlag von Wilhelm Knapp, Halle (Saale), DE; H. LÜPPO-CRAMER: "Die Grundlagen der photographischen Negativverfahren", Kapitel 13: "Die Eigenart des Jodsilberbildes" *

Also Published As

Publication number Publication date
EP0244356A2 (de) 1987-11-04
JPS62260139A (ja) 1987-11-12

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Inventor name: BRUGGER, PIERRE-ALAIN, DR.