FR2320577A1 - Procede pour l'augmentation de la sensibilite d'emulsions photographiques a base de gelatine et d'halogenure d'argent - Google Patents

Procede pour l'augmentation de la sensibilite d'emulsions photographiques a base de gelatine et d'halogenure d'argent

Info

Publication number
FR2320577A1
FR2320577A1 FR7524734A FR7524734A FR2320577A1 FR 2320577 A1 FR2320577 A1 FR 2320577A1 FR 7524734 A FR7524734 A FR 7524734A FR 7524734 A FR7524734 A FR 7524734A FR 2320577 A1 FR2320577 A1 FR 2320577A1
Authority
FR
France
Prior art keywords
emulsions
silver halide
dithioester
partic
cpds
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.)
Granted
Application number
FR7524734A
Other languages
English (en)
French (fr)
Other versions
FR2320577B1 (zh
Inventor
Siegfried Gahler Karl-Wi Junge
Gunther Fischer
Steffen Scheithauer
Horst Viola
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.)
Filmfabrik Wolfen VEB
Original Assignee
Filmfabrik Wolfen VEB
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 Filmfabrik Wolfen VEB filed Critical Filmfabrik Wolfen VEB
Priority to FR7524734A priority Critical patent/FR2320577A1/fr
Publication of FR2320577A1 publication Critical patent/FR2320577A1/fr
Application granted granted Critical
Publication of FR2320577B1 publication Critical patent/FR2320577B1/fr
Granted 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
    • G03C1/09—Noble metals or mercury; Salts or compounds thereof; Sulfur, selenium or tellurium, or compounds thereof, e.g. for chemical sensitising

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)
FR7524734A 1975-08-07 1975-08-07 Procede pour l'augmentation de la sensibilite d'emulsions photographiques a base de gelatine et d'halogenure d'argent Granted FR2320577A1 (fr)

Priority Applications (1)

Application Number Priority Date Filing Date Title
FR7524734A FR2320577A1 (fr) 1975-08-07 1975-08-07 Procede pour l'augmentation de la sensibilite d'emulsions photographiques a base de gelatine et d'halogenure d'argent

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR7524734A FR2320577A1 (fr) 1975-08-07 1975-08-07 Procede pour l'augmentation de la sensibilite d'emulsions photographiques a base de gelatine et d'halogenure d'argent

Publications (2)

Publication Number Publication Date
FR2320577A1 true FR2320577A1 (fr) 1977-03-04
FR2320577B1 FR2320577B1 (zh) 1977-12-16

Family

ID=9158912

Family Applications (1)

Application Number Title Priority Date Filing Date
FR7524734A Granted FR2320577A1 (fr) 1975-08-07 1975-08-07 Procede pour l'augmentation de la sensibilite d'emulsions photographiques a base de gelatine et d'halogenure d'argent

Country Status (1)

Country Link
FR (1) FR2320577A1 (zh)

Non-Patent Citations (1)

* Cited by examiner, † Cited by third party
Title
NEANT *

Also Published As

Publication number Publication date
FR2320577B1 (zh) 1977-12-16

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Legal Events

Date Code Title Description
ST Notification of lapse