GB428305A - Process for making photographic silver halide emulsion - Google Patents

Process for making photographic silver halide emulsion

Info

Publication number
GB428305A
GB428305A GB34700/33A GB3470033A GB428305A GB 428305 A GB428305 A GB 428305A GB 34700/33 A GB34700/33 A GB 34700/33A GB 3470033 A GB3470033 A GB 3470033A GB 428305 A GB428305 A GB 428305A
Authority
GB
United Kingdom
Prior art keywords
vessel
solution
run
mixture
portions
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
GB34700/33A
Other languages
English (en)
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.)
BASF Schweiz AG
Original Assignee
Gesellschaft fuer Chemische Industrie in Basel CIBA
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 Gesellschaft fuer Chemische Industrie in Basel CIBA filed Critical Gesellschaft fuer Chemische Industrie in Basel CIBA
Publication of GB428305A publication Critical patent/GB428305A/en
Expired legal-status Critical Current

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
    • G03C1/00Photosensitive materials
    • G03C1/005Silver halide emulsions; Preparation thereof; Physical treatment thereof; Incorporation of additives therein
    • G03C1/035Silver halide emulsions; Preparation thereof; Physical treatment thereof; Incorporation of additives therein characterised by the crystal form or composition, e.g. mixed grain
    • 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
    • G03C1/00Photosensitive materials
    • G03C1/005Silver halide emulsions; Preparation thereof; Physical treatment thereof; Incorporation of additives therein
    • G03C1/035Silver halide emulsions; Preparation thereof; Physical treatment thereof; Incorporation of additives therein characterised by the crystal form or composition, e.g. mixed grain
    • G03C2001/03564Mixed grains or mixture of emulsions

Landscapes

  • Chemical & Material Sciences (AREA)
  • Crystallography & Structural Chemistry (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Engineering & Computer Science (AREA)
  • Materials Engineering (AREA)
  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Chemical Treatment Of Metals (AREA)
  • Colloid Chemistry (AREA)
  • Silver Salt Photography Or Processing Solution Therefor (AREA)
GB34700/33A 1932-12-10 1933-12-09 Process for making photographic silver halide emulsion Expired GB428305A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CH428305X 1932-12-10

Publications (1)

Publication Number Publication Date
GB428305A true GB428305A (en) 1935-05-10

Family

ID=4514878

Family Applications (1)

Application Number Title Priority Date Filing Date
GB34700/33A Expired GB428305A (en) 1932-12-10 1933-12-09 Process for making photographic silver halide emulsion

Country Status (5)

Country Link
US (1) US2029946A (enrdf_load_stackoverflow)
BE (1) BE400237A (enrdf_load_stackoverflow)
DE (1) DE619238C (enrdf_load_stackoverflow)
FR (1) FR767458A (enrdf_load_stackoverflow)
GB (1) GB428305A (enrdf_load_stackoverflow)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2309093A (en) * 1996-01-11 1997-07-16 Eastman Kodak Co Preparing silver halide emulsions using a double heat cycle

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2456955A (en) * 1944-06-02 1948-12-21 Eastman Kodak Co Photographic processes and lightsensitive elements therefor
US2515846A (en) * 1947-04-29 1950-07-18 Du Pont Method of reproducing pictures
US2703282A (en) * 1950-12-14 1955-03-01 Eastman Kodak Co Increasing the exposure latitude of photographic emulsions by sensitizing
EP0102320B1 (en) * 1982-07-23 1986-06-11 Ciba-Geigy Ag Process for the preparation of a silver halide emulsion

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2309093A (en) * 1996-01-11 1997-07-16 Eastman Kodak Co Preparing silver halide emulsions using a double heat cycle

Also Published As

Publication number Publication date
DE619238C (de) 1935-09-25
FR767458A (enrdf_load_stackoverflow) 1934-07-17
BE400237A (enrdf_load_stackoverflow)
US2029946A (en) 1936-02-04

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