BE727089A - - Google Patents

Info

Publication number
BE727089A
BE727089A BE727089DA BE727089A BE 727089 A BE727089 A BE 727089A BE 727089D A BE727089D A BE 727089DA BE 727089 A BE727089 A BE 727089A
Authority
BE
Belgium
Application number
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 filed Critical
Publication of BE727089A publication Critical patent/BE727089A/xx

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
    • G03C1/46—Silver halide emulsions; Preparation thereof; Physical treatment thereof; Incorporation of additives therein having more than one photosensitive layer
    • 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

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)
BE727089D 1968-01-20 1969-01-20 BE727089A (zh)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE1622255A DE1622255C3 (de) 1968-01-20 1968-01-20 Verfahren zur Herstellung dichtemäßig standardisierter Kopien

Publications (1)

Publication Number Publication Date
BE727089A true BE727089A (zh) 1969-07-22

Family

ID=5682628

Family Applications (1)

Application Number Title Priority Date Filing Date
BE727089D BE727089A (zh) 1968-01-20 1969-01-20

Country Status (5)

Country Link
US (1) US3839036A (zh)
BE (1) BE727089A (zh)
DE (1) DE1622255C3 (zh)
FR (1) FR2000497A1 (zh)
GB (1) GB1262304A (zh)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4230795A (en) * 1979-04-26 1980-10-28 Donald Krause Multipart photosensitive element with both fixed contrast and variable contrast part records

Family Cites Families (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB494088A (en) * 1937-03-18 1938-10-18 Frank Forster Renwick Improvements in or relating to photographic printing processes and materials
US2202026A (en) * 1937-03-18 1940-05-28 Ilford Ltd Photographic printing process and material
US2280300A (en) * 1941-01-14 1942-04-21 Defender Photo Supply Co Inc Light sensitive photographic coating and method of manufacturing the same
US3141773A (en) * 1957-02-12 1964-07-21 Agfa Ag Process and photographic material for the production of photographic records and copies which are corrected for tone value
US3450536A (en) * 1961-03-24 1969-06-17 Eg & G Inc Silver halide photographic film having increased exposure-response characteristics
GB1225241A (zh) * 1967-04-21 1971-03-17
DE1597047C3 (de) * 1967-04-26 1974-02-28 Agfa-Gevaert Ag, 5090 Leverkusen Verfahren zur Steuerung der Belichtung eines Kopiermaterials

Also Published As

Publication number Publication date
DE1622255C3 (de) 1981-11-05
FR2000497A1 (zh) 1969-09-05
DE1622255B2 (de) 1981-01-08
US3839036A (en) 1974-10-01
GB1262304A (en) 1972-02-02
DE1622255A1 (de) 1970-12-23

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Legal Events

Date Code Title Description
RE Patent lapsed

Owner name: GEVAERT-AGFA N.V.

Effective date: 19870131