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CH486719A - Halogen silver photographic emulsion and its uses - Google Patents

Halogen silver photographic emulsion and its uses

Info

Publication number
CH486719A
CH486719A CH1270464A CH1270464A CH486719A CH 486719 A CH486719 A CH 486719A CH 1270464 A CH1270464 A CH 1270464A CH 1270464 A CH1270464 A CH 1270464A CH 486719 A CH486719 A CH 486719A
Authority
CH
Switzerland
Prior art keywords
photographic emulsion
silver photographic
halogen silver
halogen
emulsion
Prior art date
Application number
CH1270464A
Other languages
German (de)
Inventor
Kingsley Blake Ralph
Richard Celeste Jack
Bernard Cohen Abraham
Original Assignee
Du Pont
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
Priority claimed from US236417A external-priority patent/US3155515A/en
Priority claimed from US317817A external-priority patent/US3155518A/en
Priority claimed from NL6408533A external-priority patent/NL6408533A/xx
Application filed by Du Pont filed Critical Du Pont
Publication of CH486719A publication Critical patent/CH486719A/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
    • G03C1/492—Photosoluble emulsions

Landscapes

  • Chemical & Material Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Engineering & Computer Science (AREA)
  • Materials Engineering (AREA)
  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
CH1270464A 1961-12-08 1964-09-30 Halogen silver photographic emulsion and its uses CH486719A (en)

Applications Claiming Priority (11)

Application Number Priority Date Filing Date Title
US15813261A 1961-12-08 1961-12-08
US236417A US3155515A (en) 1961-12-08 1962-11-08 Photographic products
US236412A US3155514A (en) 1961-12-08 1962-11-08 Photographic compositions and elements
US236420A US3155507A (en) 1961-12-08 1962-11-08 Photographic processes
US236418A US3155516A (en) 1961-12-08 1962-11-08 Photographic products
US317824A US3155519A (en) 1961-12-08 1963-10-21 Photographic compositions, layers and elements
US317817A US3155518A (en) 1963-10-21 1963-10-21 Silver halide compositions, layers and elements
NL6408533A NL6408533A (en) 1961-12-08 1964-07-24
US388919A US3418124A (en) 1961-12-08 1964-08-11 High contrast direct positive by using active cations in silver halide solvent
US390460A US3384485A (en) 1961-12-08 1964-08-18 Silver halide emulsions photosolubilized with optical sensitizing dyes and silver mercaptides
US403661A US3284206A (en) 1961-12-08 1964-10-13 Image yielding layers

Publications (1)

Publication Number Publication Date
CH486719A true CH486719A (en) 1970-02-28

Family

ID=27582353

Family Applications (1)

Application Number Title Priority Date Filing Date
CH1270464A CH486719A (en) 1961-12-08 1964-09-30 Halogen silver photographic emulsion and its uses

Country Status (2)

Country Link
CH (1) CH486719A (en)
DK (1) DK119392B (en)

Also Published As

Publication number Publication date
DK119392B (en) 1970-12-21

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Legal Events

Date Code Title Description
PL Patent ceased