FR860628A - Improvements in sensitization processes for photographic emulsions - Google Patents

Improvements in sensitization processes for photographic emulsions

Info

Publication number
FR860628A
FR860628A FR860628DA FR860628A FR 860628 A FR860628 A FR 860628A FR 860628D A FR860628D A FR 860628DA FR 860628 A FR860628 A FR 860628A
Authority
FR
France
Prior art keywords
photographic emulsions
sensitization processes
sensitization
processes
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.)
Ilford Imaging UK Ltd
Original Assignee
Ilford Ltd
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 Ilford Ltd filed Critical Ilford Ltd
Application granted granted Critical
Publication of FR860628A publication Critical patent/FR860628A/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
    • G03C1/22—Methine and polymethine dyes with an even number of CH groups

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)
FR860628D 1938-10-06 1939-10-05 Improvements in sensitization processes for photographic emulsions Expired FR860628A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB860628X 1938-10-06

Publications (1)

Publication Number Publication Date
FR860628A true FR860628A (en) 1941-01-20

Family

ID=10594574

Family Applications (1)

Application Number Title Priority Date Filing Date
FR860628D Expired FR860628A (en) 1938-10-06 1939-10-05 Improvements in sensitization processes for photographic emulsions

Country Status (1)

Country Link
FR (1) FR860628A (en)

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