CH449416A - Process for increasing the sensitivity of halogen silver emulsions - Google Patents

Process for increasing the sensitivity of halogen silver emulsions

Info

Publication number
CH449416A
CH449416A CH445464A CH445464A CH449416A CH 449416 A CH449416 A CH 449416A CH 445464 A CH445464 A CH 445464A CH 445464 A CH445464 A CH 445464A CH 449416 A CH449416 A CH 449416A
Authority
CH
Switzerland
Prior art keywords
sensitivity
increasing
silver emulsions
halogen silver
halogen
Prior art date
Application number
CH445464A
Other languages
German (de)
Inventor
Wolfgang Dr Mueller-Bardorff
Wilhelm Dr Saleck
Original Assignee
Agfa 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 Ag filed Critical Agfa Ag
Publication of CH449416A publication Critical patent/CH449416A/en

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
    • G21—NUCLEAR PHYSICS; NUCLEAR ENGINEERING
    • G21D—NUCLEAR POWER PLANT
    • G21D5/00—Arrangements of reactor and engine in which reactor-produced heat is converted into mechanical energy
    • G21D5/04—Reactor and engine not structurally combined
    • G21D5/08—Reactor and engine not structurally combined with engine working medium heated in a heat exchanger by the reactor coolant
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
    • Y02E30/00—Energy generation of nuclear origin

Landscapes

  • Physics & Mathematics (AREA)
  • Engineering & Computer Science (AREA)
  • Chemical & Material Sciences (AREA)
  • Spectroscopy & Molecular Physics (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Materials Engineering (AREA)
  • General Physics & Mathematics (AREA)
  • Plasma & Fusion (AREA)
  • General Engineering & Computer Science (AREA)
  • High Energy & Nuclear Physics (AREA)
  • Silver Salt Photography Or Processing Solution Therefor (AREA)
CH445464A 1963-04-13 1964-04-08 Process for increasing the sensitivity of halogen silver emulsions CH449416A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DEA42878A DE1185481B (en) 1963-04-13 1963-04-13 Process for increasing the sensitivity of halogen silver emulsions

Publications (1)

Publication Number Publication Date
CH449416A true CH449416A (en) 1967-12-31

Family

ID=6933342

Family Applications (1)

Application Number Title Priority Date Filing Date
CH445464A CH449416A (en) 1963-04-13 1964-04-08 Process for increasing the sensitivity of halogen silver emulsions

Country Status (6)

Country Link
US (1) US3326690A (en)
BE (1) BE646466A (en)
CH (1) CH449416A (en)
DE (1) DE1185481B (en)
FR (1) FR1389299A (en)
GB (1) GB1057938A (en)

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3973967A (en) * 1972-06-01 1976-08-10 Itek Corporation Processes utilizing photographic element containing a physical development activator
US3862843A (en) * 1972-06-01 1975-01-28 Itek Corp Photographic element containing a layer of physical development nuclei less than two microns in thickness and a development activator
JPS5832370B2 (en) * 1974-02-25 1983-07-12 富士写真フイルム株式会社 squirrel beetle
GB8624704D0 (en) * 1986-10-15 1986-11-19 Minnesota Mining & Mfg High contrast scanner photographic elements

Also Published As

Publication number Publication date
BE646466A (en) 1964-10-13
US3326690A (en) 1967-06-20
GB1057938A (en) 1967-02-08
DE1185481B (en) 1965-01-14
FR1389299A (en) 1965-02-12

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