CH522241A - Procédé photographique positif direct - Google Patents

Procédé photographique positif direct

Info

Publication number
CH522241A
CH522241A CH1365869A CH1365869A CH522241A CH 522241 A CH522241 A CH 522241A CH 1365869 A CH1365869 A CH 1365869A CH 1365869 A CH1365869 A CH 1365869A CH 522241 A CH522241 A CH 522241A
Authority
CH
Switzerland
Prior art keywords
photographic process
direct positive
positive photographic
direct
positive
Prior art date
Application number
CH1365869A
Other languages
English (en)
Inventor
Mitchell Milton Kirby
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 CH522241A publication Critical patent/CH522241A/fr

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
    • G03C1/485—Direct positive emulsions
    • G03C1/48515—Direct positive emulsions prefogged

Landscapes

  • Chemical & Material Sciences (AREA)
  • Physics & Mathematics (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Engineering & Computer Science (AREA)
  • Materials Engineering (AREA)
  • General Physics & Mathematics (AREA)
  • Spectroscopy & Molecular Physics (AREA)
  • Silver Salt Photography Or Processing Solution Therefor (AREA)
  • Polyethers (AREA)
CH1365869A 1968-09-09 1969-09-09 Procédé photographique positif direct CH522241A (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US75858268A 1968-09-09 1968-09-09

Publications (1)

Publication Number Publication Date
CH522241A true CH522241A (fr) 1972-06-15

Family

ID=25052265

Family Applications (1)

Application Number Title Priority Date Filing Date
CH1365869A CH522241A (fr) 1968-09-09 1969-09-09 Procédé photographique positif direct

Country Status (6)

Country Link
US (1) US3615519A (fr)
BE (1) BE738619A (fr)
CH (1) CH522241A (fr)
DE (1) DE1945450C3 (fr)
FR (1) FR2017655A1 (fr)
GB (1) GB1283218A (fr)

Families Citing this family (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5141055B2 (fr) * 1972-02-24 1976-11-08
JPS496918A (fr) * 1972-05-09 1974-01-22
GB1463659A (en) * 1973-06-01 1977-02-02 Agfa Gevaert Development of exposed silver halide material in the presence of polyoxyalkylenes
US4009041A (en) * 1974-10-03 1977-02-22 Polaroid Corporation Fogged, direct-positive silver halide emulsion containing a gallium sulfide semiconductor
US4273862A (en) * 1977-06-11 1981-06-16 Mitsubishi Paper Mills, Ltd. Direct-positive silver halide photographic sensitive materials
DE2802016C2 (de) * 1978-01-18 1985-05-09 Du Pont de Nemours (Deutschland) GmbH, 4000 Düsseldorf Photographisches Aufzeichnungsmaterial vom Lith-Typ
US5550013A (en) * 1994-12-22 1996-08-27 Eastman Kodak Company High chloride emulsions having high sensitivity and low fog and improved photographic responses of HIRF, higher gamma, and shoulder density
US6303284B1 (en) 2000-08-24 2001-10-16 Eastman Kodak Company Process for manufacture of photographic emulsion
US6326134B1 (en) 2000-08-24 2001-12-04 Eastman Kodak Company Process for manufacture of photographic emulsion
CN114509926A (zh) * 2021-11-24 2022-05-17 福建中安高新材料研究院有限公司 一种显影液及其制备方法、光刻胶的显影方法

Also Published As

Publication number Publication date
DE1945450A1 (de) 1970-04-02
US3615519A (en) 1971-10-26
GB1283218A (en) 1972-07-26
DE1945450B2 (de) 1978-10-12
BE738619A (fr) 1970-02-16
FR2017655A1 (fr) 1970-05-22
DE1945450C3 (de) 1979-07-05

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Legal Events

Date Code Title Description
PL Patent ceased