CH214921A - A method of sensitizing photographic emulsions and a photographic emulsion sensitized by this method. - Google Patents

A method of sensitizing photographic emulsions and a photographic emulsion sensitized by this method.

Info

Publication number
CH214921A
CH214921A CH214921DA CH214921A CH 214921 A CH214921 A CH 214921A CH 214921D A CH214921D A CH 214921DA CH 214921 A CH214921 A CH 214921A
Authority
CH
Switzerland
Prior art keywords
photographic
sensitizing
emulsion sensitized
emulsions
photographic emulsion
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 CH214921A publication Critical patent/CH214921A/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
    • G03C1/14—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

  • 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)
CH214921D 1938-10-05 1939-10-05 A method of sensitizing photographic emulsions and a photographic emulsion sensitized by this method. CH214921A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE214921X 1938-10-05

Publications (1)

Publication Number Publication Date
CH214921A true CH214921A (en) 1941-05-31

Family

ID=5821267

Family Applications (1)

Application Number Title Priority Date Filing Date
CH214921D CH214921A (en) 1938-10-05 1939-10-05 A method of sensitizing photographic emulsions and a photographic emulsion sensitized by this method.

Country Status (3)

Country Link
BE (1) BE436585A (en)
CH (1) CH214921A (en)
FR (1) FR869728A (en)

Also Published As

Publication number Publication date
BE436585A (en)
FR869728A (en) 1942-02-13

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