CH520349A - Photographic material - Google Patents

Photographic material

Info

Publication number
CH520349A
CH520349A CH1365969A CH1365969A CH520349A CH 520349 A CH520349 A CH 520349A CH 1365969 A CH1365969 A CH 1365969A CH 1365969 A CH1365969 A CH 1365969A CH 520349 A CH520349 A CH 520349A
Authority
CH
Switzerland
Prior art keywords
photographic material
photographic
Prior art date
Application number
CH1365969A
Other languages
French (fr)
Inventor
Charles Jr Smith Albert
David Illingsworth Bernard
Original Assignee
Eastman Kodak Co
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 Eastman Kodak Co filed Critical Eastman Kodak Co
Publication of CH520349A publication Critical patent/CH520349A/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
    • 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
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10S—TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10S430/00—Radiation imagery chemistry: process, composition, or product thereof
    • Y10S430/141—Direct positive material

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)
  • Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
CH1365969A 1968-09-09 1969-09-09 Photographic material CH520349A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US75981668A 1968-09-09 1968-09-09

Publications (1)

Publication Number Publication Date
CH520349A true CH520349A (en) 1972-03-15

Family

ID=25057061

Family Applications (1)

Application Number Title Priority Date Filing Date
CH1365969A CH520349A (en) 1968-09-09 1969-09-09 Photographic material

Country Status (7)

Country Link
US (1) US3615573A (en)
JP (1) JPS5347003B1 (en)
BE (1) BE738576A (en)
CH (1) CH520349A (en)
DE (1) DE1945449B2 (en)
FR (1) FR2017656A1 (en)
GB (1) GB1269260A (en)

Families Citing this family (12)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE2224837C3 (en) * 1972-05-20 1986-05-07 Agfa-Gevaert Ag, 5090 Leverkusen Direct positive photographic recording material
GB1456243A (en) * 1973-01-25 1976-11-24 Agfa Gevaert Directpositive silver halide elements
GB1468816A (en) * 1973-06-08 1977-03-30 Agfa Gevaert Photographic direct positive silver halide compositions
GB1447502A (en) * 1973-06-18 1976-08-25 Agfa Gevaert Method of preparing direct-positive silver halide elements
US4378427A (en) * 1980-09-11 1983-03-29 E. I. Du Pont De Nemours And Company Method for producing a long scale direct-positive photographic emulsion
US4370411A (en) * 1980-09-11 1983-01-25 E. I. Du Pont De Nemours And Company Method for producing a long scale direct-positive photographic emulsion
DE3138166A1 (en) * 1981-09-25 1983-04-14 Irbit Holding AG, 1701 Fribourg Foam cutting process
USRE32097E (en) * 1981-11-12 1986-03-25 Eastman Kodak Company Blended grain direct-positive emulsions and photographic elements and processes for their use
US4444865A (en) * 1981-11-12 1984-04-24 Eastman Kodak Company Blended grain direct-positive emulsions and photographic elements and processes for their use
US4444874A (en) * 1982-09-15 1984-04-24 Eastman Kodak Company Photographic elements containing direct-positive emulsions and processes for their use
USRE32149E (en) * 1982-09-15 1986-05-20 Eastman Kodak Company Photographic elements containing direct-positive emulsions and processes for their use
EP0681209A1 (en) * 1994-05-06 1995-11-08 Agfa-Gevaert N.V. Multilayer direct-positive photographic material and process for preparing the same

Also Published As

Publication number Publication date
FR2017656A1 (en) 1970-05-22
DE1945449A1 (en) 1970-03-19
DE1945449B2 (en) 1975-07-17
BE738576A (en) 1970-02-16
US3615573A (en) 1971-10-26
JPS5347003B1 (en) 1978-12-18
GB1269260A (en) 1972-04-06

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Legal Events

Date Code Title Description
PL Patent ceased