FR740533A - Method of sensitizing photographic silver halide emulsions - Google Patents

Method of sensitizing photographic silver halide emulsions

Info

Publication number
FR740533A
FR740533A FR740533DA FR740533A FR 740533 A FR740533 A FR 740533A FR 740533D A FR740533D A FR 740533DA FR 740533 A FR740533 A FR 740533A
Authority
FR
France
Prior art keywords
silver halide
halide emulsions
photographic silver
sensitizing photographic
sensitizing
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.)
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
Application granted granted Critical
Publication of FR740533A publication Critical patent/FR740533A/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
    • 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
    • G03C1/18—Methine and polymethine dyes with an odd number of CH groups with three 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)
  • Silver Salt Photography Or Processing Solution Therefor (AREA)
  • Investigating Or Analyzing Non-Biological Materials By The Use Of Chemical Means (AREA)
FR740533D 1931-07-12 1932-07-27 Method of sensitizing photographic silver halide emulsions Expired FR740533A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DEI42061D DE625181C (en) 1931-07-12 1931-07-12 Process for the red sensitization of photographic silver halide emulsions

Publications (1)

Publication Number Publication Date
FR740533A true FR740533A (en) 1933-01-27

Family

ID=25895769

Family Applications (2)

Application Number Title Priority Date Filing Date
FR739813D Expired FR739813A (en) 1931-07-12 1932-07-08 Method for the red sensitization of photographic silver halide emulsions
FR740533D Expired FR740533A (en) 1931-07-12 1932-07-27 Method of sensitizing photographic silver halide emulsions

Family Applications Before (1)

Application Number Title Priority Date Filing Date
FR739813D Expired FR739813A (en) 1931-07-12 1932-07-08 Method for the red sensitization of photographic silver halide emulsions

Country Status (4)

Country Link
BE (1) BE389735A (en)
DE (1) DE625181C (en)
FR (2) FR739813A (en)
GB (1) GB402521A (en)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE750122C (en) * 1936-05-29 1944-12-14 Process for sensitizing multilayer photographic material for color photography
DE746136C (en) * 1936-07-17 1944-06-10 Ig Farbenindustrie Ag Process for the production of halogen silver emulsion layers of high sensitivity to red and low sensitivity to blue-green for subtractive multicolor processes

Also Published As

Publication number Publication date
DE625181C (en) 1936-02-10
GB402521A (en) 1933-12-07
BE389735A (en) 1932-08-31
FR739813A (en) 1933-01-17

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