CA1022377A - Photographic material for the production of direct positive photographic images - Google Patents

Photographic material for the production of direct positive photographic images

Info

Publication number
CA1022377A
CA1022377A CA167,583A CA167583A CA1022377A CA 1022377 A CA1022377 A CA 1022377A CA 167583 A CA167583 A CA 167583A CA 1022377 A CA1022377 A CA 1022377A
Authority
CA
Canada
Prior art keywords
production
photographic
direct positive
images
photographic material
Prior art date
Legal status (The legal status 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 status listed.)
Expired
Application number
CA167,583A
Other languages
English (en)
Other versions
CA167583S (en
Inventor
Manfred Becker
Otto Lapp
Erik Moisar
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Agfa Gevaert AG
Original Assignee
Agfa Gevaert AG
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 AG filed Critical Agfa Gevaert AG
Application granted granted Critical
Publication of CA1022377A publication Critical patent/CA1022377A/en
Expired legal-status Critical Current

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

Landscapes

  • Chemical & Material Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Engineering & Computer Science (AREA)
  • Materials Engineering (AREA)
  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Non-Silver Salt Photosensitive Materials And Non-Silver Salt Photography (AREA)
  • Silver Salt Photography Or Processing Solution Therefor (AREA)
CA167,583A 1972-04-01 1973-03-30 Photographic material for the production of direct positive photographic images Expired CA1022377A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE2216075A DE2216075A1 (de) 1972-04-01 1972-04-01 Photographisches material zur herstellung direktpositiver photographischer bilder

Publications (1)

Publication Number Publication Date
CA1022377A true CA1022377A (en) 1977-12-13

Family

ID=5840903

Family Applications (1)

Application Number Title Priority Date Filing Date
CA167,583A Expired CA1022377A (en) 1972-04-01 1973-03-30 Photographic material for the production of direct positive photographic images

Country Status (8)

Country Link
US (1) US3859093A (it)
JP (1) JPS4910725A (it)
BE (1) BE797198A (it)
CA (1) CA1022377A (it)
DE (1) DE2216075A1 (it)
FR (1) FR2178982A1 (it)
GB (1) GB1402198A (it)
IT (1) IT982932B (it)

Families Citing this family (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4444865A (en) * 1981-11-12 1984-04-24 Eastman Kodak Company Blended grain direct-positive emulsions and photographic elements and processes for their use
USRE32097E (en) * 1981-11-12 1986-03-25 Eastman Kodak Company Blended grain direct-positive emulsions and photographic elements 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
US4444874A (en) * 1982-09-15 1984-04-24 Eastman Kodak Company Photographic elements containing direct-positive emulsions and processes for their use
JPS59133542A (ja) * 1983-01-21 1984-07-31 Fuji Photo Film Co Ltd ハロゲン化銀カラー反転写真感光材料の現像方法
JPS6067935A (ja) * 1983-09-22 1985-04-18 Konishiroku Photo Ind Co Ltd 直接ポジ画像の形成方法

Family Cites Families (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3367778A (en) * 1965-04-15 1968-02-06 Eastman Kodak Co Silver salt direct positive emulsion
US3512985A (en) * 1965-11-08 1970-05-19 Eastman Kodak Co Direct positive photographic silver halide emulsions and elements containing water insoluble polymers

Also Published As

Publication number Publication date
DE2216075A1 (de) 1973-10-11
BE797198A (nl) 1973-09-24
FR2178982A1 (it) 1973-11-16
GB1402198A (en) 1975-08-06
IT982932B (it) 1974-10-21
JPS4910725A (it) 1974-01-30
US3859093A (en) 1975-01-07

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