FR1156729A - Method for sensitizing photographic emulsions - Google Patents

Method for sensitizing photographic emulsions

Info

Publication number
FR1156729A
FR1156729A FR1156729DA FR1156729A FR 1156729 A FR1156729 A FR 1156729A FR 1156729D A FR1156729D A FR 1156729DA FR 1156729 A FR1156729 A FR 1156729A
Authority
FR
France
Prior art keywords
photographic emulsions
sensitizing photographic
sensitizing
emulsions
photographic
Prior art date
Legal status (The legal status 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 status listed.)
Expired
Application number
Other languages
French (fr)
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Gevaert Photo Producten NV
Original Assignee
Gevaert Photo Producten 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 Producten NV filed Critical Gevaert Photo Producten NV
Application granted granted Critical
Publication of FR1156729A publication Critical patent/FR1156729A/en
Expired legal-status Critical Current

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
    • C09B23/0008—Methine or polymethine dyes, e.g. cyanine dyes substituted on the polymethine chain
    • C09B23/0025—Methine or polymethine dyes, e.g. cyanine dyes substituted on the polymethine chain the substituent being bound through an oxygen atom
    • 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
    • C09B23/0075—Methine or polymethine dyes, e.g. cyanine dyes the polymethine chain being part of an 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
    • C09B23/0075—Methine or polymethine dyes, e.g. cyanine dyes the polymethine chain being part of an heterocyclic ring
    • C09B23/0083—Methine or polymethine dyes, e.g. cyanine dyes the polymethine chain being part of an heterocyclic ring the heteroring being rhodanine in the chain

Landscapes

  • Chemical & Material Sciences (AREA)
  • Organic Chemistry (AREA)
  • Physics & Mathematics (AREA)
  • Spectroscopy & Molecular Physics (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Engineering & Computer Science (AREA)
  • Materials Engineering (AREA)
  • General Physics & Mathematics (AREA)
  • Plural Heterocyclic Compounds (AREA)
  • Thiazole And Isothizaole Compounds (AREA)
  • Non-Silver Salt Photosensitive Materials And Non-Silver Salt Photography (AREA)
FR1156729D 1955-09-13 1956-09-13 Method for sensitizing photographic emulsions Expired FR1156729A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
BE837674X 1955-09-13

Publications (1)

Publication Number Publication Date
FR1156729A true FR1156729A (en) 1958-05-20

Family

ID=3881885

Family Applications (1)

Application Number Title Priority Date Filing Date
FR1156729D Expired FR1156729A (en) 1955-09-13 1956-09-13 Method for sensitizing photographic emulsions

Country Status (4)

Country Link
BE (1) BE541245A (en)
DE (1) DE1024800B (en)
FR (1) FR1156729A (en)
GB (2) GB646137A (en)

Families Citing this family (2)

* 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
US5034303A (en) * 1989-06-16 1991-07-23 Eastman Kodak Company Infrared absorbing trinuclear cyanine dyes for dye-donor element used in laser-induced thermal dye transfer

Family Cites Families (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE918308C (en) * 1944-03-18 1954-09-23 Agfa Ag Fuer Photofabrikation Process for sensitizing halogen silver emulsions, especially chlorine and bromide silver emulsions for photographic papers, with the aid of merocyanines
DE832393C (en) * 1947-05-02 1952-02-25 Gevaert Photo Prod Nv Methods for sensitizing or supersensitizing photographic emulsions

Also Published As

Publication number Publication date
GB646137A (en) 1950-11-15
BE541245A (en)
GB837674A (en) 1960-06-15
DE1024800B (en) 1958-02-20

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