CH491408A - Procedimento per la preparazione di emulsioni fotografiche di migliorate caratteristiche sensitometriche - Google Patents

Procedimento per la preparazione di emulsioni fotografiche di migliorate caratteristiche sensitometriche

Info

Publication number
CH491408A
CH491408A CH869666A CH869666A CH491408A CH 491408 A CH491408 A CH 491408A CH 869666 A CH869666 A CH 869666A CH 869666 A CH869666 A CH 869666A CH 491408 A CH491408 A CH 491408A
Authority
CH
Switzerland
Prior art keywords
preparation
photographic emulsions
sensitometric characteristics
improved sensitometric
improved
Prior art date
Application number
CH869666A
Other languages
English (en)
Italian (it)
Inventor
Simone Dr Franco
Original Assignee
Ferrania Spa
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 Ferrania Spa filed Critical Ferrania Spa
Publication of CH491408A publication Critical patent/CH491408A/it

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
    • G03C1/04—Silver halide emulsions; Preparation thereof; Physical treatment thereof; Incorporation of additives therein with macromolecular additives; with layer-forming substances
    • G03C1/043—Polyalkylene oxides; Polyalkylene sulfides; Polyalkylene selenides; Polyalkylene tellurides
    • 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
    • G03C1/04—Silver halide emulsions; Preparation thereof; Physical treatment thereof; Incorporation of additives therein with macromolecular additives; with layer-forming substances
    • G03C1/053—Polymers obtained by reactions involving only carbon-to-carbon unsaturated bonds, e.g. vinyl polymers

Landscapes

  • Chemical & Material Sciences (AREA)
  • Physics & Mathematics (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Spectroscopy & Molecular Physics (AREA)
  • Engineering & Computer Science (AREA)
  • Materials Engineering (AREA)
  • General Physics & Mathematics (AREA)
  • Addition Polymer Or Copolymer, Post-Treatments, Or Chemical Modifications (AREA)
CH869666A 1965-06-16 1966-06-16 Procedimento per la preparazione di emulsioni fotografiche di migliorate caratteristiche sensitometriche CH491408A (it)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
IT1340665 1965-06-16

Publications (1)

Publication Number Publication Date
CH491408A true CH491408A (it) 1970-05-31

Family

ID=11144421

Family Applications (1)

Application Number Title Priority Date Filing Date
CH869666A CH491408A (it) 1965-06-16 1966-06-16 Procedimento per la preparazione di emulsioni fotografiche di migliorate caratteristiche sensitometriche

Country Status (4)

Country Link
JP (1) JPS494326B1 (OSRAM)
BE (1) BE682547A (OSRAM)
CH (1) CH491408A (OSRAM)
GB (1) GB1144213A (OSRAM)

Also Published As

Publication number Publication date
BE682547A (OSRAM) 1966-11-14
GB1144213A (en) 1969-03-05
JPS494326B1 (OSRAM) 1974-01-31

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Legal Events

Date Code Title Description
PL Patent ceased