GB515413A - Improved process for sensitising photographic silver halide emulsions - Google Patents

Improved process for sensitising photographic silver halide emulsions

Info

Publication number
GB515413A
GB515413A GB640938A GB640938A GB515413A GB 515413 A GB515413 A GB 515413A GB 640938 A GB640938 A GB 640938A GB 640938 A GB640938 A GB 640938A GB 515413 A GB515413 A GB 515413A
Authority
GB
United Kingdom
Prior art keywords
aldehyde
dyes
sensitising
silver halide
improved process
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
GB640938A
Other languages
English (en)
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.)
IG Farbenindustrie AG
Original Assignee
IG Farbenindustrie AG
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 IG Farbenindustrie AG filed Critical IG Farbenindustrie AG
Publication of GB515413A publication Critical patent/GB515413A/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

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)
  • Silver Salt Photography Or Processing Solution Therefor (AREA)
  • Plural Heterocyclic Compounds (AREA)
GB640938A 1937-03-06 1938-03-01 Improved process for sensitising photographic silver halide emulsions Expired GB515413A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DEI57333D DE707784C (de) 1937-03-06 1937-03-06 Verfahren zum Sensibilisieren photographischer Halogensilberemulsionen

Publications (1)

Publication Number Publication Date
GB515413A true GB515413A (en) 1939-12-04

Family

ID=6548964

Family Applications (1)

Application Number Title Priority Date Filing Date
GB640938A Expired GB515413A (en) 1937-03-06 1938-03-01 Improved process for sensitising photographic silver halide emulsions

Country Status (4)

Country Link
BE (1) BE426734A (enrdf_load_stackoverflow)
DE (1) DE707784C (enrdf_load_stackoverflow)
FR (1) FR834033A (enrdf_load_stackoverflow)
GB (1) GB515413A (enrdf_load_stackoverflow)

Also Published As

Publication number Publication date
BE426734A (enrdf_load_stackoverflow) 1938-04-30
DE707784C (de) 1941-07-04
FR834033A (fr) 1938-11-09

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