CA976406A - Silver halide photographic compositions and processes for obtaining positive images - Google Patents

Silver halide photographic compositions and processes for obtaining positive images

Info

Publication number
CA976406A
CA976406A CA134,162A CA134162A CA976406A CA 976406 A CA976406 A CA 976406A CA 134162 A CA134162 A CA 134162A CA 976406 A CA976406 A CA 976406A
Authority
CA
Canada
Prior art keywords
processes
silver halide
halide photographic
positive images
obtaining positive
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
CA134,162A
Other versions
CA134162S (en
Inventor
Paul B. Gilman (Jr.)
Joseph A. Merrigan
Ronald G. Raleigh
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.)
Eastman Kodak Co
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
Application granted granted Critical
Publication of CA976406A publication Critical patent/CA976406A/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
    • G03C1/48538—Direct positive emulsions non-prefogged, i.e. fogged after imagewise exposure

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)
CA134,162A 1971-03-10 1972-02-08 Silver halide photographic compositions and processes for obtaining positive images Expired CA976406A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US12300771A 1971-03-10 1971-03-10

Publications (1)

Publication Number Publication Date
CA976406A true CA976406A (en) 1975-10-21

Family

ID=22406186

Family Applications (1)

Application Number Title Priority Date Filing Date
CA134,162A Expired CA976406A (en) 1971-03-10 1972-02-08 Silver halide photographic compositions and processes for obtaining positive images

Country Status (7)

Country Link
US (1) US3761267A (en)
JP (1) JPS5636411B1 (en)
AU (1) AU461423B2 (en)
BE (1) BE780540A (en)
CA (1) CA976406A (en)
FR (1) FR2128799B1 (en)
GB (1) GB1391072A (en)

Families Citing this family (16)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3890154A (en) * 1969-12-24 1975-06-17 Fuji Photo Film Co Ltd Light-sensitive silver halide photographic materials
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
JPS5031824B2 (en) * 1972-08-31 1975-10-15
US3923513A (en) * 1973-01-18 1975-12-02 Eastman Kodak Co Direct positive processing of silver halide with metal dopants in diffusion transfer films
JPS51135528A (en) * 1975-05-19 1976-11-24 Fuji Photo Film Co Ltd Spectrally sensitized silver halide photographic emulsions
US4030920A (en) * 1976-04-12 1977-06-21 Eastman Kodak Company Processing compositions containing glycols for color transfer processes comprising direct positive silver halide developement
JPS6055820B2 (en) * 1979-03-26 1985-12-06 コニカ株式会社 Direct positive silver halide photographic material
US4269927A (en) * 1979-04-05 1981-05-26 Eastman Kodak Company Internally doped surface sensitized high chloride silver halide emulsions and photograhic elements and processes for their preparation
JPS58120248A (en) * 1982-01-12 1983-07-18 Konishiroku Photo Ind Co Ltd Formation of direct positive image
EP0190512B1 (en) * 1984-12-30 1992-09-30 Konica Corporation Positive image forming method
JPH0758389B2 (en) * 1986-08-14 1995-06-21 富士写真フイルム株式会社 Direct positive image forming method
US5491058A (en) 1994-08-09 1996-02-13 Eastman Kodak Company Film for duplicating silver images in radiographic films
DE69519906T2 (en) 1994-08-26 2001-07-19 Eastman Kodak Co., Rochester Ultra-thin tabular grain emulsions with increased sensitization (II)
DE69517372T2 (en) 1994-08-26 2001-02-15 Eastman Kodak Co., Rochester Tabular grain emulsions with improved sensitization
EP0754967A1 (en) 1995-07-14 1997-01-22 Agfa-Gevaert N.V. Photographic direct positive material containing a particular stabilizer
US5792601A (en) 1995-10-31 1998-08-11 Eastman Kodak Company Composite silver halide grains and processes for their preparation

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
BE550907A (en) *
US2497875A (en) * 1947-10-17 1950-02-21 Eastman Kodak Co Direct positive photographs using aerial fogging developer
FR1484742A (en) * 1965-04-30 1967-06-16 Agfa Gevaert Nv Method for producing direct positive photographic images
US3574625A (en) * 1967-04-07 1971-04-13 Eastman Kodak Co Photographic systems with polyvalent metal ions contiguous to the silver halide grains

Also Published As

Publication number Publication date
US3761267A (en) 1973-09-25
BE780540A (en) 1972-07-03
DE2211769A1 (en) 1972-09-21
AU461423B2 (en) 1975-05-08
FR2128799B1 (en) 1976-03-05
JPS5636411B1 (en) 1981-08-24
AU3976572A (en) 1973-09-13
FR2128799A1 (en) 1972-10-20
GB1391072A (en) 1975-04-16
DE2211769B2 (en) 1977-06-16

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