CH477710A - Verfahren zur Herstellung photographischer Direktpositivbilder - Google Patents

Verfahren zur Herstellung photographischer Direktpositivbilder

Info

Publication number
CH477710A
CH477710A CH631866A CH631866A CH477710A CH 477710 A CH477710 A CH 477710A CH 631866 A CH631866 A CH 631866A CH 631866 A CH631866 A CH 631866A CH 477710 A CH477710 A CH 477710A
Authority
CH
Switzerland
Prior art keywords
photographic images
direct positive
making direct
positive photographic
making
Prior art date
Application number
CH631866A
Other languages
German (de)
English (en)
Inventor
Laurens Vanreusel Gerard
Desire Van Pee Paul
Maria De Laet Jules
Original Assignee
Agfa Gevaert Nv
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 Gevaert Nv filed Critical Agfa Gevaert Nv
Publication of CH477710A publication Critical patent/CH477710A/de

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
    • G03C7/00—Multicolour photographic processes or agents therefor; Regeneration of such processing agents; Photosensitive materials for multicolour processes
    • G03C7/30—Colour processes using colour-coupling substances; Materials therefor; Preparing or processing such materials
    • G03C7/3022—Materials with specific emulsion characteristics, e.g. thickness of the layers, silver content, shape of AgX grains
    • 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
    • G03C1/48538—Direct positive emulsions non-prefogged, i.e. fogged after imagewise exposure
    • 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
    • G03C1/48592—Positive image obtained by various effects other than photohole bleaching or internal image desensitisation, e.g. Sabatier, Clayden effect

Landscapes

  • Chemical & Material Sciences (AREA)
  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Engineering & Computer Science (AREA)
  • Materials Engineering (AREA)
  • Silver Salt Photography Or Processing Solution Therefor (AREA)
CH631866A 1965-04-30 1966-05-02 Verfahren zur Herstellung photographischer Direktpositivbilder CH477710A (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB18335/65A GB1150553A (en) 1965-04-30 1965-04-30 A Method of Producing Photographic Images

Publications (1)

Publication Number Publication Date
CH477710A true CH477710A (de) 1969-08-31

Family

ID=10110704

Family Applications (2)

Application Number Title Priority Date Filing Date
CH631866A CH477710A (de) 1965-04-30 1966-05-02 Verfahren zur Herstellung photographischer Direktpositivbilder
CH631966A CH475579A (de) 1965-04-30 1966-05-02 Verfahren zur Herstellung photographischer Direktpositivbilder

Family Applications After (1)

Application Number Title Priority Date Filing Date
CH631966A CH475579A (de) 1965-04-30 1966-05-02 Verfahren zur Herstellung photographischer Direktpositivbilder

Country Status (8)

Country Link
US (2) US3708298A (US20110009641A1-20110113-C00185.png)
AT (2) AT283909B (US20110009641A1-20110113-C00185.png)
BE (2) BE680392A (US20110009641A1-20110113-C00185.png)
CH (2) CH477710A (US20110009641A1-20110113-C00185.png)
DE (2) DE1522374C2 (US20110009641A1-20110113-C00185.png)
GB (1) GB1150553A (US20110009641A1-20110113-C00185.png)
NL (2) NL6605890A (US20110009641A1-20110113-C00185.png)
SE (1) SE347362B (US20110009641A1-20110113-C00185.png)

Families Citing this family (14)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3622318A (en) * 1970-03-20 1971-11-23 Eastman Kodak Co Photographic materials and processes
US3761276A (en) * 1971-03-10 1973-09-25 Eastman Kodak Co Photographic element containing monodispersed unfogged silver halide grains chemically sensitized internally and externally
US4081281A (en) * 1972-02-18 1978-03-28 Agfa-Gevaert N.V. Developing low fogged, direct-positive silver halide emulsion with an energetic developer free from halide ions
US4105450A (en) * 1973-07-27 1978-08-08 Fuji Photo Film Co., Ltd. Spectrally sensitized positive light-sensitive o-quinone diazide containing composition
US4165986A (en) * 1973-07-27 1979-08-28 Polaroid Corporation Substituted-halide silver halide emulsions and products containing same
DE2406515C3 (de) * 1974-02-12 1978-06-15 Du Pont De Nemours (Deutschland) Gmbh, 4000 Duesseldorf Photographisches Material für die Herstellung von Direktpositiven
DE2416814A1 (de) * 1974-04-06 1975-10-16 Agfa Gevaert Ag Direktpositives photographisches material
US4262086A (en) * 1978-06-22 1981-04-14 F. F. D., Inc. Photograph developing solution
JPS5870223A (ja) * 1981-10-22 1983-04-26 Konishiroku Photo Ind Co Ltd 直接ポジ画像形成方法
JPS58120248A (ja) * 1982-01-12 1983-07-18 Konishiroku Photo Ind Co Ltd 直接ポジ画像形成方法
CA1296940C (en) * 1986-06-12 1992-03-10 Noriyuki Inoue Process for the formation of direct positive images
JPS63239439A (ja) * 1986-11-25 1988-10-05 Konica Corp 直接ポジハロゲン化銀写真感光材料
JPH0690436B2 (ja) * 1987-12-02 1994-11-14 富士写真フイルム株式会社 直接ポジ写真感光材料
JPH0690437B2 (ja) 1987-12-02 1994-11-14 富士写真フイルム株式会社 直接ポジ写真感光材料

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DD4420A (US20110009641A1-20110113-C00185.png) *
BE388620A (US20110009641A1-20110113-C00185.png) * 1926-05-21
BE489282A (US20110009641A1-20110113-C00185.png) * 1948-05-27

Also Published As

Publication number Publication date
AT283908B (de) 1970-08-25
DE1522374C2 (de) 1982-04-01
CH475579A (de) 1969-07-15
US3733198A (en) 1973-05-15
BE680391A (US20110009641A1-20110113-C00185.png) 1966-11-03
US3708298A (en) 1973-01-02
AT283909B (de) 1970-08-25
SE347362B (US20110009641A1-20110113-C00185.png) 1972-07-31
DE1522374A1 (de) 1969-08-14
DE1522373C3 (de) 1981-07-23
NL6605890A (US20110009641A1-20110113-C00185.png) 1966-10-25
NL6605891A (US20110009641A1-20110113-C00185.png) 1966-10-25
GB1150553A (en) 1969-04-30
BE680392A (US20110009641A1-20110113-C00185.png) 1966-11-03
DE1522373A1 (de) 1969-07-17
DE1522373B2 (de) 1980-12-11

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Legal Events

Date Code Title Description
PL Patent ceased