CH292828A - Method for sensitizing photographic emulsions. - Google Patents

Method for sensitizing photographic emulsions.

Info

Publication number
CH292828A
CH292828A CH292828DA CH292828A CH 292828 A CH292828 A CH 292828A CH 292828D A CH292828D A CH 292828DA CH 292828 A CH292828 A CH 292828A
Authority
CH
Switzerland
Prior art keywords
photographic emulsions
sensitizing photographic
sensitizing
emulsions
photographic
Prior art date
Application number
Other languages
French (fr)
Inventor
Gevaert Photo-Producten N V
Original Assignee
Gevaert Photo Prod Nv
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 Gevaert Photo Prod Nv filed Critical Gevaert Photo Prod Nv
Publication of CH292828A publication Critical patent/CH292828A/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
    • C—CHEMISTRY; METALLURGY
    • C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
    • C09B—ORGANIC DYES OR CLOSELY-RELATED COMPOUNDS FOR PRODUCING DYES, e.g. PIGMENTS; MORDANTS; LAKES
    • C09B23/00—Methine or polymethine dyes, e.g. cyanine dyes
    • C09B23/10—The polymethine chain containing an even number of >CH- groups
    • C09B23/105—The polymethine chain containing an even number of >CH- groups two >CH- groups
    • 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
    • G03C1/28—Sensitivity-increasing substances together with supersensitising substances
    • G03C1/29—Sensitivity-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

  • Chemical & Material Sciences (AREA)
  • Physics & Mathematics (AREA)
  • Spectroscopy & Molecular Physics (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Engineering & Computer Science (AREA)
  • Materials Engineering (AREA)
  • General Physics & Mathematics (AREA)
  • Organic Chemistry (AREA)
  • Thiazole And Isothizaole Compounds (AREA)
  • Plural Heterocyclic Compounds (AREA)
CH292828D 1950-05-25 1951-05-23 Method for sensitizing photographic emulsions. CH292828A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR1018590T 1950-05-25

Publications (1)

Publication Number Publication Date
CH292828A true CH292828A (en) 1953-08-31

Family

ID=9575120

Family Applications (1)

Application Number Title Priority Date Filing Date
CH292828D CH292828A (en) 1950-05-25 1951-05-23 Method for sensitizing photographic emulsions.

Country Status (5)

Country Link
CH (1) CH292828A (en)
DE (1) DE857886C (en)
FR (1) FR1018590A (en)
GB (1) GB721203A (en)
NL (1) NL78223C (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3507649A (en) * 1967-01-31 1970-04-21 Lee C Hensley Sensitized photoconductive zinc oxide

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
BE571507A (en) * 1957-09-30

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3507649A (en) * 1967-01-31 1970-04-21 Lee C Hensley Sensitized photoconductive zinc oxide

Also Published As

Publication number Publication date
NL78223C (en)
FR1018590A (en) 1953-01-09
DE857886C (en) 1952-10-09
GB721203A (en) 1955-01-05

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