CH472694A - Directly positive photographic emulsion - Google Patents

Directly positive photographic emulsion

Info

Publication number
CH472694A
CH472694A CH359967A CH359967A CH472694A CH 472694 A CH472694 A CH 472694A CH 359967 A CH359967 A CH 359967A CH 359967 A CH359967 A CH 359967A CH 472694 A CH472694 A CH 472694A
Authority
CH
Switzerland
Prior art keywords
photographic emulsion
positive photographic
directly positive
directly
emulsion
Prior art date
Application number
CH359967A
Other languages
French (fr)
Inventor
David Illingsworth Bernard
Original Assignee
Kodak Sa
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 Kodak Sa filed Critical Kodak Sa
Publication of CH472694A publication Critical patent/CH472694A/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
    • G03C1/485—Direct positive emulsions
    • G03C1/48515—Direct positive emulsions prefogged
    • G03C1/48523—Direct positive emulsions prefogged characterised by the desensitiser
    • G03C1/4853—Direct positive emulsions prefogged characterised by the desensitiser polymethine dyes

Landscapes

  • Chemical & Material Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Engineering & Computer Science (AREA)
  • Materials Engineering (AREA)
  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Silver Salt Photography Or Processing Solution Therefor (AREA)
  • Gasket Seals (AREA)
  • Non-Silver Salt Photosensitive Materials And Non-Silver Salt Photography (AREA)
CH359967A 1966-03-11 1967-03-13 Directly positive photographic emulsion CH472694A (en)

Applications Claiming Priority (9)

Application Number Priority Date Filing Date Title
US53340066A 1966-03-11 1966-03-11
US53344866A 1966-03-11 1966-03-11
US53344066A 1966-03-11 1966-03-11
US60418166A 1966-12-23 1966-12-23
US60414666A 1966-12-23 1966-12-23
US60977867A 1967-01-17 1967-01-17
US60979367A 1967-01-17 1967-01-17
US60976267A 1967-01-17 1967-01-17
US61832067A 1967-02-24 1967-02-24

Publications (1)

Publication Number Publication Date
CH472694A true CH472694A (en) 1969-05-15

Family

ID=27578862

Family Applications (1)

Application Number Title Priority Date Filing Date
CH359967A CH472694A (en) 1966-03-11 1967-03-13 Directly positive photographic emulsion

Country Status (6)

Country Link
JP (1) JPS503937B1 (en)
CH (1) CH472694A (en)
DE (1) DE1547786B2 (en)
GB (1) GB1186711A (en)
NO (1) NO127722B (en)
SE (1) SE345167B (en)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5547378B2 (en) * 1971-09-04 1980-11-29

Also Published As

Publication number Publication date
JPS503937B1 (en) 1975-02-12
GB1186711A (en) 1970-04-02
SE345167B (en) 1972-05-15
DE1547786B2 (en) 1979-05-10
NO127722B (en) 1973-08-06
DE1547786A1 (en) 1969-11-20

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Legal Events

Date Code Title Description
PL Patent ceased