BE497942A - - Google Patents

Info

Publication number
BE497942A
BE497942A BE497942DA BE497942A BE 497942 A BE497942 A BE 497942A BE 497942D A BE497942D A BE 497942DA BE 497942 A BE497942 A BE 497942A
Authority
BE
Belgium
Application number
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.)
Publication of BE497942A publication Critical patent/BE497942A/xx

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
    • G03C1/26—Polymethine chain forming part of a heterocyclic ring
    • 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
    • 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)
  • Plural Heterocyclic Compounds (AREA)
  • Thiazole And Isothizaole Compounds (AREA)
BE497942D 1949-09-08 BE497942A (OSRAM)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR832392X 1949-09-08

Publications (1)

Publication Number Publication Date
BE497942A true BE497942A (OSRAM)

Family

ID=9295950

Family Applications (1)

Application Number Title Priority Date Filing Date
BE497942D BE497942A (OSRAM) 1949-09-08

Country Status (5)

Country Link
BE (1) BE497942A (OSRAM)
DE (1) DE832392C (OSRAM)
FR (1) FR994762A (OSRAM)
GB (1) GB685390A (OSRAM)
NL (1) NL155889B (OSRAM)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0427892A1 (en) * 1989-11-14 1991-05-22 Agfa-Gevaert N.V. Spectrally sensitized silver halide emulsions

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3102027A (en) * 1960-08-19 1963-08-27 Horizons Inc Direct positive dye bleach process and merocyanine composition therefor
US3152905A (en) * 1961-02-09 1964-10-13 Minnesota Mining & Mfg Sensitizing methine dyes and intermediates, process for preparing same and photographic element containing these dyes

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0427892A1 (en) * 1989-11-14 1991-05-22 Agfa-Gevaert N.V. Spectrally sensitized silver halide emulsions

Also Published As

Publication number Publication date
NL155889B (nl)
GB685390A (en) 1953-01-07
FR994762A (fr) 1951-11-22
DE832392C (de) 1952-02-25

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