CH219166A - Process for sensitizing photographic emulsions by means of pseudocyanine dyes. - Google Patents

Process for sensitizing photographic emulsions by means of pseudocyanine dyes.

Info

Publication number
CH219166A
CH219166A CH219166DA CH219166A CH 219166 A CH219166 A CH 219166A CH 219166D A CH219166D A CH 219166DA CH 219166 A CH219166 A CH 219166A
Authority
CH
Switzerland
Prior art keywords
photographic emulsions
sensitizing photographic
pseudocyanine
dyes
pseudocyanine dyes
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 CH219166A publication Critical patent/CH219166A/en

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
    • G03C1/06Silver halide emulsions; Preparation thereof; Physical treatment thereof; Incorporation of additives therein with non-macromolecular additives
    • G03C1/08Sensitivity-increasing substances
    • G03C1/28Sensitivity-increasing substances together with supersensitising substances
    • G03C1/29Sensitivity-increasing substances together with supersensitising substances the supersensitising mixture being solely composed of dyes ; Combination of dyes, even if the supersensitising effect is not explicitly disclosed

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)
CH219166D 1938-11-24 1940-01-19 Process for sensitizing photographic emulsions by means of pseudocyanine dyes. CH219166A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE219166X 1938-11-24

Publications (1)

Publication Number Publication Date
CH219166A true CH219166A (en) 1942-01-31

Family

ID=5831715

Family Applications (1)

Application Number Title Priority Date Filing Date
CH219166D CH219166A (en) 1938-11-24 1940-01-19 Process for sensitizing photographic emulsions by means of pseudocyanine dyes.

Country Status (3)

Country Link
BE (1) BE437131A (en)
CH (1) CH219166A (en)
FR (1) FR870980A (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3133817A (en) * 1960-04-29 1964-05-19 Gen Aniline & Film Corp Photographic emulsions containing new sensitizing dyes

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3133817A (en) * 1960-04-29 1964-05-19 Gen Aniline & Film Corp Photographic emulsions containing new sensitizing dyes

Also Published As

Publication number Publication date
FR870980A (en) 1942-04-01
BE437131A (en)

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