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

    • GPHYSICS
    • G03PHOTOGRAPHY; CINEMATOGRAPHY; ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ELECTROGRAPHY; HOLOGRAPHY
    • G03CPHOTOSENSITIVE MATERIALS FOR PHOTOGRAPHIC PURPOSES; PHOTOGRAPHIC PROCESSES, e.g. CINE, X-RAY, COLOUR, STEREO-PHOTOGRAPHIC PROCESSES; AUXILIARY PROCESSES IN PHOTOGRAPHY
    • G03C1/00Photosensitive materials
    • G03C1/005Silver halide emulsions; Preparation thereof; Physical treatment thereof; Incorporation of additives therein
    • G03C1/46Silver halide emulsions; Preparation thereof; Physical treatment thereof; Incorporation of additives therein having more than one photosensitive layer
    • GPHYSICS
    • G03PHOTOGRAPHY; CINEMATOGRAPHY; ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ELECTROGRAPHY; HOLOGRAPHY
    • G03CPHOTOSENSITIVE MATERIALS FOR PHOTOGRAPHIC PURPOSES; PHOTOGRAPHIC PROCESSES, e.g. CINE, X-RAY, COLOUR, STEREO-PHOTOGRAPHIC PROCESSES; AUXILIARY PROCESSES IN PHOTOGRAPHY
    • G03C1/00Photosensitive materials
    • G03C1/005Silver halide emulsions; Preparation thereof; Physical treatment thereof; Incorporation of additives therein
    • G03C1/485Direct 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
US2202026A (en) * 1937-03-18 1940-05-28 Ilford Ltd Photographic printing process and material
GB494088A (en) * 1937-03-18 1938-10-18 Frank Forster Renwick Improvements in or relating to photographic printing processes and materials
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
GB1262304A (en) 1972-02-02
DE1622255A1 (de) 1970-12-23
US3839036A (en) 1974-10-01
FR2000497A1 (zh) 1969-09-05
DE1622255B2 (de) 1981-01-08
DE1622255C3 (de) 1981-11-05

Similar Documents

Publication Publication Date Title
AU1946070A (zh)
AU428130B2 (zh)
AU2374870A (zh)
AU416157B2 (zh)
AU429879B2 (zh)
AU2581067A (zh)
AU421558B1 (zh)
AR203075Q (zh)
AU2580267A (zh)
AU3224368A (zh)
AU3789668A (zh)
BE728741A (zh)
BE726920A (zh)
BE728653A (zh)
BE708933A (zh)
BE728751A (zh)
AU4224469A (zh)
AU4270368A (zh)
BE728253A (zh)
AU2889368A (zh)
BE728152A (zh)
BE731674A (zh)
AU2496167A (zh)
AU4464266A (zh)
AU4503667A (zh)

Legal Events

Date Code Title Description
RE Patent lapsed

Owner name: GEVAERT-AGFA N.V.

Effective date: 19870131