CA936037A - Photographic silver halide emulsion having an increased sensitivity and reduced fogging - Google Patents

Photographic silver halide emulsion having an increased sensitivity and reduced fogging

Info

Publication number
CA936037A
CA936037A CA069230A CA69230A CA936037A CA 936037 A CA936037 A CA 936037A CA 069230 A CA069230 A CA 069230A CA 69230 A CA69230 A CA 69230A CA 936037 A CA936037 A CA 936037A
Authority
CA
Canada
Prior art keywords
silver halide
halide emulsion
increased sensitivity
photographic silver
reduced fogging
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
CA069230A
Other languages
English (en)
Inventor
Randolph August
Von Konig Anita
Moll Franz
Huckstadt Harald
Saleck Wilhelm
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.)
Agfa Gevaert AG
Original Assignee
Agfa Gevaert 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 Agfa Gevaert AG filed Critical Agfa Gevaert AG
Application granted granted Critical
Publication of CA936037A publication Critical patent/CA936037A/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
    • G03C1/09—Noble metals or mercury; Salts or compounds thereof; Sulfur, selenium or tellurium, or compounds thereof, e.g. for chemical sensitising
    • 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
    • G03C1/34—Fog-inhibitors; Stabilisers; Agents inhibiting latent image regression
    • G03C1/346—Organic derivatives of bivalent sulfur, selenium or tellurium

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)
  • Pyridine Compounds (AREA)
  • Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
CA069230A 1968-12-23 1969-12-08 Photographic silver halide emulsion having an increased sensitivity and reduced fogging Expired CA936037A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE19681816570 DE1816570A1 (de) 1968-12-23 1968-12-23 Photographische Halogensilberemulsion mit erhoehter Empfindlichkeit und vermindertem Schleier

Publications (1)

Publication Number Publication Date
CA936037A true CA936037A (en) 1973-10-30

Family

ID=5717199

Family Applications (1)

Application Number Title Priority Date Filing Date
CA069230A Expired CA936037A (en) 1968-12-23 1969-12-08 Photographic silver halide emulsion having an increased sensitivity and reduced fogging

Country Status (8)

Country Link
US (1) US3615528A (fr)
JP (1) JPS4926135B1 (fr)
BE (1) BE746769A (fr)
CA (1) CA936037A (fr)
CH (1) CH544323A (fr)
DE (1) DE1816570A1 (fr)
FR (1) FR2026968A1 (fr)
GB (1) GB1264562A (fr)

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5313124B2 (fr) * 1972-11-02 1978-05-08
JPS5330331A (en) * 1976-09-02 1978-03-22 Konishiroku Photo Ind Co Ltd Treatment of silver halide photographic photosensitive material
DE2802016C2 (de) * 1978-01-18 1985-05-09 Du Pont de Nemours (Deutschland) GmbH, 4000 Düsseldorf Photographisches Aufzeichnungsmaterial vom Lith-Typ
US5474879A (en) * 1995-01-30 1995-12-12 Eastman Kodak Company Radiographic film developers containing ascorbic acid and thioether development accelerators

Also Published As

Publication number Publication date
BE746769A (nl) 1970-09-03
DE1816570A1 (de) 1970-07-02
US3615528A (en) 1971-10-26
CH544323A (de) 1973-11-15
GB1264562A (fr) 1972-02-23
FR2026968A1 (fr) 1970-09-25
JPS4926135B1 (fr) 1974-07-06

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