GB808227A - Improvements in or relating to photographic emulsions - Google Patents

Improvements in or relating to photographic emulsions

Info

Publication number
GB808227A
GB808227A GB23164/56A GB2316456A GB808227A GB 808227 A GB808227 A GB 808227A GB 23164/56 A GB23164/56 A GB 23164/56A GB 2316456 A GB2316456 A GB 2316456A GB 808227 A GB808227 A GB 808227A
Authority
GB
United Kingdom
Prior art keywords
aqueous
bromide
precipitated
relating
iodide
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
Application number
GB23164/56A
Other languages
English (en)
Inventor
Harold Owen Dickinson
Alan James Swinnerton
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 UK Ltd
Original Assignee
Ilford 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
Priority to DENDAT1072475D priority Critical patent/DE1072475B/de
Application filed by Ilford Ltd filed Critical Ilford Ltd
Priority to GB23164/56A priority patent/GB808227A/en
Publication of GB808227A publication Critical patent/GB808227A/en
Expired 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
    • G03C1/04—Silver halide emulsions; Preparation thereof; Physical treatment thereof; Incorporation of additives therein with macromolecular additives; with layer-forming substances
    • G03C1/043—Polyalkylene oxides; Polyalkylene sulfides; Polyalkylene selenides; Polyalkylene tellurides
    • 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

Landscapes

  • Chemical & Material Sciences (AREA)
  • Physics & Mathematics (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Engineering & Computer Science (AREA)
  • Materials Engineering (AREA)
  • General Physics & Mathematics (AREA)
  • Spectroscopy & Molecular Physics (AREA)
  • Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
GB23164/56A 1956-07-26 1956-07-26 Improvements in or relating to photographic emulsions Expired GB808227A (en)

Priority Applications (2)

Application Number Priority Date Filing Date Title
DENDAT1072475D DE1072475B (cs) 1956-07-26
GB23164/56A GB808227A (en) 1956-07-26 1956-07-26 Improvements in or relating to photographic emulsions

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB23164/56A GB808227A (en) 1956-07-26 1956-07-26 Improvements in or relating to photographic emulsions

Publications (1)

Publication Number Publication Date
GB808227A true GB808227A (en) 1959-01-28

Family

ID=10191194

Family Applications (1)

Application Number Title Priority Date Filing Date
GB23164/56A Expired GB808227A (en) 1956-07-26 1956-07-26 Improvements in or relating to photographic emulsions

Country Status (2)

Country Link
DE (1) DE1072475B (cs)
GB (1) GB808227A (cs)

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0513723A1 (en) * 1991-05-14 1992-11-19 Eastman Kodak Company Process of preparing a reduced dispersity tabular grain emulsion
EP0514743A1 (en) * 1991-05-14 1992-11-25 Eastman Kodak Company Tabular grain emulsion containing reversal photographic elements exhibiting improved sharpness in underlying layers
EP0515895A1 (en) * 1991-05-14 1992-12-02 Eastman Kodak Company Improved reversal photographic elements containing tabular grain emulsions

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0513723A1 (en) * 1991-05-14 1992-11-19 Eastman Kodak Company Process of preparing a reduced dispersity tabular grain emulsion
EP0514743A1 (en) * 1991-05-14 1992-11-25 Eastman Kodak Company Tabular grain emulsion containing reversal photographic elements exhibiting improved sharpness in underlying layers
EP0515895A1 (en) * 1991-05-14 1992-12-02 Eastman Kodak Company Improved reversal photographic elements containing tabular grain emulsions

Also Published As

Publication number Publication date
DE1072475B (cs)

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