GB386791A - Improvements in sensitising silver halide emulsions - Google Patents

Improvements in sensitising silver halide emulsions

Info

Publication number
GB386791A
GB386791A GB1038/32A GB103832A GB386791A GB 386791 A GB386791 A GB 386791A GB 1038/32 A GB1038/32 A GB 1038/32A GB 103832 A GB103832 A GB 103832A GB 386791 A GB386791 A GB 386791A
Authority
GB
United Kingdom
Prior art keywords
iodide
ethyl
methyl
cyanine
ethyl iodide
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
GB1038/32A
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 GB386791A publication Critical patent/GB386791A/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
    • G03C1/14—Methine and polymethine dyes with an odd number of CH groups
    • G03C1/16—Methine and polymethine dyes with an odd number of CH groups with one CH group

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)
  • Non-Silver Salt Photosensitive Materials And Non-Silver Salt Photography (AREA)
  • Optical Modulation, Optical Deflection, Nonlinear Optics, Optical Demodulation, Optical Logic Elements (AREA)
GB1038/32A 1931-01-14 1932-01-13 Improvements in sensitising silver halide emulsions Expired GB386791A (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DEI40414D DE631287C (de) 1931-01-14 1931-01-14 Verfahren zur Gelb- und Gruensensibilisierung lichtempfindlicher Halogensilberemulsionen
DE403840X 1932-03-10

Publications (1)

Publication Number Publication Date
GB386791A true GB386791A (en) 1933-01-26

Family

ID=25898964

Family Applications (2)

Application Number Title Priority Date Filing Date
GB1038/32A Expired GB386791A (en) 1931-01-14 1932-01-13 Improvements in sensitising silver halide emulsions
GB7335/33A Expired GB403840A (en) 1931-01-14 1933-03-10 Improvements in sensitising silver halide emulsions

Family Applications After (1)

Application Number Title Priority Date Filing Date
GB7335/33A Expired GB403840A (en) 1931-01-14 1933-03-10 Improvements in sensitising silver halide emulsions

Country Status (4)

Country Link
BE (1) BE385560A (fr)
DE (1) DE631287C (fr)
FR (2) FR729634A (fr)
GB (2) GB386791A (fr)

Also Published As

Publication number Publication date
DE631287C (de) 1936-06-17
FR729634A (fr) 1932-07-28
BE385560A (fr) 1932-02-29
GB403840A (en) 1934-01-04
FR43271E (fr) 1934-04-17

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