FR882245A - Sensitization of photographic emulsions to silver halides by combinations of dyes - Google Patents

Sensitization of photographic emulsions to silver halides by combinations of dyes

Info

Publication number
FR882245A
FR882245A FR882245DA FR882245A FR 882245 A FR882245 A FR 882245A FR 882245D A FR882245D A FR 882245DA FR 882245 A FR882245 A FR 882245A
Authority
FR
France
Prior art keywords
sensitization
dyes
combinations
silver halides
photographic emulsions
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 FR882245A publication Critical patent/FR882245A/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
    • G03C1/28—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

  • 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)
  • Indole Compounds (AREA)
  • Agricultural Chemicals And Associated Chemicals (AREA)
  • Silver Salt Photography Or Processing Solution Therefor (AREA)
  • Nitrogen And Oxygen Or Sulfur-Condensed Heterocyclic Ring Systems (AREA)
FR882245D 1941-05-22 1942-05-21 Sensitization of photographic emulsions to silver halides by combinations of dyes Expired FR882245A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE626467X 1941-05-22

Publications (1)

Publication Number Publication Date
FR882245A true FR882245A (en) 1943-05-21

Family

ID=6578250

Family Applications (1)

Application Number Title Priority Date Filing Date
FR882245D Expired FR882245A (en) 1941-05-22 1942-05-21 Sensitization of photographic emulsions to silver halides by combinations of dyes

Country Status (6)

Country Link
US (1) US2644754A (en)
BE (1) BE445646A (en)
ES (1) ES157458A1 (en)
FR (1) FR882245A (en)
GB (1) GB626467A (en)
NL (1) NL61612C (en)

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2830883A (en) * 1954-04-29 1958-04-15 Texas Co Gasification of sulfur-bearing carbonaceous fuels
BE560805A (en) * 1956-09-13
DE19711142A1 (en) * 1997-03-18 1998-09-24 Agfa Gevaert Ag Highly sensitive color photographic recording material with increased sensitivity in the blue spectral range

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2127340A (en) * 1937-03-29 1938-08-16 Eastman Kodak Co Photographic emulsion containing supersensitized thiazolocarbocyanines
US2274782A (en) * 1937-11-24 1942-03-03 Chromogen Inc Light-sensitive photographic material
BE436514A (en) * 1938-10-01

Also Published As

Publication number Publication date
ES157458A1 (en) 1943-03-01
US2644754A (en) 1953-07-07
NL61612C (en)
BE445646A (en)
GB626467A (en) 1949-07-15

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