CH235588A - Process for the sensitization of photographic silver halide emulsions, especially photographic paper emulsions. - Google Patents

Process for the sensitization of photographic silver halide emulsions, especially photographic paper emulsions.

Info

Publication number
CH235588A
CH235588A CH235588DA CH235588A CH 235588 A CH235588 A CH 235588A CH 235588D A CH235588D A CH 235588DA CH 235588 A CH235588 A CH 235588A
Authority
CH
Switzerland
Prior art keywords
emulsions
sensitization
silver halide
photographic
photographic paper
Prior art date
Application number
Other languages
German (de)
Inventor
Aktiengesellsc Farbenindustrie
Original Assignee
Ig Farbenindustrie 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 Ig Farbenindustrie Ag filed Critical Ig Farbenindustrie Ag
Publication of CH235588A publication Critical patent/CH235588A/en

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
    • G03C1/06—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
    • G03C1/22—Methine and polymethine dyes with an even number of CH groups

Landscapes

  • Physics & Mathematics (AREA)
  • Chemical & Material Sciences (AREA)
  • Spectroscopy & Molecular Physics (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Engineering & Computer Science (AREA)
  • Materials Engineering (AREA)
  • General Physics & Mathematics (AREA)
CH235588D 1942-02-20 1943-02-18 Process for the sensitization of photographic silver halide emulsions, especially photographic paper emulsions. CH235588A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE449286X 1942-02-20

Publications (1)

Publication Number Publication Date
CH235588A true CH235588A (en) 1944-12-15

Family

ID=6538245

Family Applications (1)

Application Number Title Priority Date Filing Date
CH235588D CH235588A (en) 1942-02-20 1943-02-18 Process for the sensitization of photographic silver halide emulsions, especially photographic paper emulsions.

Country Status (3)

Country Link
BE (1) BE449286A (en)
CH (1) CH235588A (en)
FR (1) FR891378A (en)

Also Published As

Publication number Publication date
FR891378A (en) 1944-03-06
BE449286A (en)

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