FR730921A - Method for increasing the blue sensitivity of light sensitive silver halide emulsions - Google Patents

Method for increasing the blue sensitivity of light sensitive silver halide emulsions

Info

Publication number
FR730921A
FR730921A FR730921DA FR730921A FR 730921 A FR730921 A FR 730921A FR 730921D A FR730921D A FR 730921DA FR 730921 A FR730921 A FR 730921A
Authority
FR
France
Prior art keywords
increasing
silver halide
light sensitive
sensitive silver
halide 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.)
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 FR730921A publication Critical patent/FR730921A/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)
  • Non-Silver Salt Photosensitive Materials And Non-Silver Salt Photography (AREA)
FR730921D 1931-02-03 1932-02-02 Method for increasing the blue sensitivity of light sensitive silver halide emulsions Expired FR730921A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE380702X 1931-02-03

Publications (1)

Publication Number Publication Date
FR730921A true FR730921A (en) 1932-08-26

Family

ID=6348810

Family Applications (2)

Application Number Title Priority Date Filing Date
FR730921D Expired FR730921A (en) 1931-02-03 1932-02-02 Method for increasing the blue sensitivity of light sensitive silver halide emulsions
FR43521D Expired FR43521E (en) 1931-02-03 1933-06-01 Method for increasing the blue sensitivity of light-sensitive silver halide emulsions

Family Applications After (1)

Application Number Title Priority Date Filing Date
FR43521D Expired FR43521E (en) 1931-02-03 1933-06-01 Method for increasing the blue sensitivity of light-sensitive silver halide emulsions

Country Status (3)

Country Link
BE (1) BE386128A (en)
FR (2) FR730921A (en)
GB (1) GB380702A (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE754723C (en) * 1935-06-06 1953-03-09 Gevaert Photo Producten Process for sensitizing photographic emulsions

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB504821A (en) * 1937-08-27 1939-04-27 Kodak Ltd Improvements in and relating to cyanine dyes and sensitization of photographic emulsions

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE754723C (en) * 1935-06-06 1953-03-09 Gevaert Photo Producten Process for sensitizing photographic emulsions

Also Published As

Publication number Publication date
GB380702A (en) 1932-09-22
BE386128A (en)
FR43521E (en) 1934-06-23

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