CH645468A5 - Process for the preparation of photographic silver halide emulsions which contain silver halide crystals of the twinned type - Google Patents

Process for the preparation of photographic silver halide emulsions which contain silver halide crystals of the twinned type Download PDF

Info

Publication number
CH645468A5
CH645468A5 CH146479A CH146479A CH645468A5 CH 645468 A5 CH645468 A5 CH 645468A5 CH 146479 A CH146479 A CH 146479A CH 146479 A CH146479 A CH 146479A CH 645468 A5 CH645468 A5 CH 645468A5
Authority
CH
Switzerland
Prior art keywords
crystals
silver
silver halide
iodide
emulsion
Prior art date
Application number
CH146479A
Other languages
German (de)
English (en)
Inventor
Trevor James Maternaghan
Original Assignee
Ciba Geigy 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 filed Critical Ciba Geigy Ag
Publication of CH645468A5 publication Critical patent/CH645468A5/de

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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
    • G03C1/0051—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
    • G03C2200/00—Details
    • G03C2200/43—Process

Landscapes

  • Chemical & Material Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Engineering & Computer Science (AREA)
  • Materials Engineering (AREA)
  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Silver Salt Photography Or Processing Solution Therefor (AREA)
CH146479A 1978-02-16 1979-02-14 Process for the preparation of photographic silver halide emulsions which contain silver halide crystals of the twinned type CH645468A5 (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB6090/78A GB1596602A (en) 1978-02-16 1978-02-16 Preparation of silver halide emulsions

Publications (1)

Publication Number Publication Date
CH645468A5 true CH645468A5 (en) 1984-09-28

Family

ID=9808197

Family Applications (1)

Application Number Title Priority Date Filing Date
CH146479A CH645468A5 (en) 1978-02-16 1979-02-14 Process for the preparation of photographic silver halide emulsions which contain silver halide crystals of the twinned type

Country Status (7)

Country Link
JP (1) JPS54118823A (cs)
BE (1) BE874183R (cs)
CH (1) CH645468A5 (cs)
DD (1) DD142255A6 (cs)
FR (1) FR2417793A2 (cs)
GB (1) GB1596602A (cs)
IT (1) IT7948001A0 (cs)

Families Citing this family (21)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5849939A (ja) * 1981-08-21 1983-03-24 Konishiroku Photo Ind Co Ltd Ｘ線用ハロゲン化銀写真感光材料
US4439520A (en) * 1981-11-12 1984-03-27 Eastman Kodak Company Sensitized high aspect ratio silver halide emulsions and photographic elements
FR2516271B1 (fr) * 1981-11-12 1986-03-07 Eastman Kodak Co Produit pour la photographie par transfert d'image
US4434226A (en) * 1981-11-12 1984-02-28 Eastman Kodak Company High aspect ratio silver bromoiodide emulsions and processes for their preparation
US4433048A (en) * 1981-11-12 1984-02-21 Eastman Kodak Company Radiation-sensitive silver bromoiodide emulsions, photographic elements, and processes for their use
US4414306A (en) * 1981-11-12 1983-11-08 Eastman Kodak Company Silver chlorobromide emulsions and processes for their preparation
US4399215A (en) * 1981-11-12 1983-08-16 Eastman Kodak Company Double-jet precipitation processes and products thereof
US4435501A (en) * 1981-11-12 1984-03-06 Eastman Kodak Company Controlled site epitaxial sensitization
US4414310A (en) * 1981-11-12 1983-11-08 Eastman Kodak Company Process for the preparation of high aspect ratio silver bromoiodide emulsions
US4400463A (en) * 1981-11-12 1983-08-23 Eastman Kodak Company Silver chloride emulsions of modified crystal habit and processes for their preparation
US4386156A (en) * 1981-11-12 1983-05-31 Eastman Kodak Company Silver bromide emulsions of narrow grain size distribution and processes for their preparation
JPS5952238A (ja) * 1982-09-09 1984-03-26 Konishiroku Photo Ind Co Ltd ハロゲン化銀乳剤の製造方法
US4425426A (en) * 1982-09-30 1984-01-10 Eastman Kodak Company Radiographic elements exhibiting reduced crossover
JPS5999433A (ja) * 1982-11-29 1984-06-08 Fuji Photo Film Co Ltd ハロゲン化銀写真感光材料
JPS59177535A (ja) * 1983-03-28 1984-10-08 Konishiroku Photo Ind Co Ltd ハロゲン化銀写真乳剤およびその製造方法
JPS6167845A (ja) * 1984-09-11 1986-04-08 Konishiroku Photo Ind Co Ltd ハロゲン化銀写真感光材料
JPS6177850A (ja) * 1984-09-26 1986-04-21 Fuji Photo Film Co Ltd ハロゲン化銀カラ−写真感光材料
JPH0711679B2 (ja) * 1986-03-06 1995-02-08 富士写真フイルム株式会社 ハロゲン化銀乳剤の製造方法
JPH07101290B2 (ja) * 1988-02-08 1995-11-01 富士写真フイルム株式会社 感光性ハロゲン化銀乳剤及びそれを用いたカラー感光材料
GB8821425D0 (en) * 1988-09-13 1988-10-12 Ciba Geigy Ag Film halide emulsions
JP2603168B2 (ja) * 1991-12-06 1997-04-23 コニカ株式会社 ハロゲン化銀写真乳剤の製造方法

Family Cites Families (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB1150013A (en) * 1965-09-22 1969-04-30 Fuji Photo Film Co Ltd A Process for the Production of a Silver Halide Emulsion
CA951086A (en) * 1970-04-23 1974-07-16 Eastman Kodak Company Precipitation of silver halides
DE2340082C3 (de) * 1972-08-14 1980-03-06 E.I. Du Pont De Nemours And Co., Wilmington, Del. (V.St.A.) Verfahren zur Herstellung einer fotografischen Silberhalogenidemulsion
JPS5542738B2 (cs) * 1973-05-11 1980-11-01
JPS5838427B2 (ja) * 1974-06-19 1983-08-23 ニツポウカガク カブシキガイシヤ ジアミノマレオニトリルノ セイゾウホウホウ
GB1469480A (en) * 1974-08-07 1977-04-06 Ciba Geigy Ag Photographic emulsion
GB1520976A (en) * 1976-06-10 1978-08-09 Ciba Geigy Ag Photographic emulsions

Also Published As

Publication number Publication date
BE874183R (fr) 1979-08-16
JPS54118823A (en) 1979-09-14
GB1596602A (en) 1981-08-26
FR2417793B2 (cs) 1984-03-16
FR2417793A2 (fr) 1979-09-14
IT7948001A0 (it) 1979-02-14
DD142255A6 (de) 1980-06-11
JPS6158027B2 (cs) 1986-12-09

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Owner name: ILFORD LIMITED

PL Patent ceased