CH444664A - Process for the spectral sensitization of halogen silver emulsions - Google Patents

Process for the spectral sensitization of halogen silver emulsions

Info

Publication number
CH444664A
CH444664A CH1222965A CH1222965A CH444664A CH 444664 A CH444664 A CH 444664A CH 1222965 A CH1222965 A CH 1222965A CH 1222965 A CH1222965 A CH 1222965A CH 444664 A CH444664 A CH 444664A
Authority
CH
Switzerland
Prior art keywords
spectral sensitization
silver emulsions
halogen silver
halogen
emulsions
Prior art date
Application number
CH1222965A
Other languages
German (de)
Inventor
Ernst-Joachim Dr Poppe
Original Assignee
Wolfen Filmfab Veb
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 Wolfen Filmfab Veb filed Critical Wolfen Filmfab Veb
Publication of CH444664A publication Critical patent/CH444664A/en

Links

Classifications

    • 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
    • G03C1/10—Organic substances
    • G03C1/12—Methine and polymethine dyes
    • G03C1/22—Methine and polymethine dyes with an even number of CH groups

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)
  • Silver Salt Photography Or Processing Solution Therefor (AREA)
  • Nitrogen And Oxygen Or Sulfur-Condensed Heterocyclic Ring Systems (AREA)
CH1222965A 1965-04-23 1965-09-01 Process for the spectral sensitization of halogen silver emulsions CH444664A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DD11047265 1965-04-23

Publications (1)

Publication Number Publication Date
CH444664A true CH444664A (en) 1967-09-30

Family

ID=5478500

Family Applications (1)

Application Number Title Priority Date Filing Date
CH1222965A CH444664A (en) 1965-04-23 1965-09-01 Process for the spectral sensitization of halogen silver emulsions

Country Status (4)

Country Link
BE (1) BE668594A (en)
CH (1) CH444664A (en)
FR (1) FR1496719A (en)
GB (1) GB1072384A (en)

Also Published As

Publication number Publication date
BE668594A (en) 1965-12-16
GB1072384A (en) 1967-06-14
FR1496719A (en) 1967-10-06

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