FR2174113A1 - - Google Patents

Info

Publication number
FR2174113A1
FR2174113A1 FR7307005A FR7307005A FR2174113A1 FR 2174113 A1 FR2174113 A1 FR 2174113A1 FR 7307005 A FR7307005 A FR 7307005A FR 7307005 A FR7307005 A FR 7307005A FR 2174113 A1 FR2174113 A1 FR 2174113A1
Authority
FR
France
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.)
Granted
Application number
FR7307005A
Other languages
French (fr)
Other versions
FR2174113B1 (fi
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
Publication of FR2174113A1 publication Critical patent/FR2174113A1/fr
Application granted granted Critical
Publication of FR2174113B1 publication Critical patent/FR2174113B1/fr
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
    • G03C1/48584—Direct positive emulsions non-prefogged, i.e. fogged after imagewise exposure spectrally sensitised
    • 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
    • G03C1/48523—Direct positive emulsions prefogged characterised by the desensitiser
    • G03C1/4853—Direct positive emulsions prefogged characterised by the desensitiser polymethine dyes
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10S—TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10S430/00—Radiation imagery chemistry: process, composition, or product thereof
    • Y10S430/141—Direct positive material

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)
FR7307005A 1972-02-29 1973-02-28 Expired FR2174113B1 (fi)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US23049272A 1972-02-29 1972-02-29

Publications (2)

Publication Number Publication Date
FR2174113A1 true FR2174113A1 (fi) 1973-10-12
FR2174113B1 FR2174113B1 (fi) 1977-02-04

Family

ID=22865442

Family Applications (1)

Application Number Title Priority Date Filing Date
FR7307005A Expired FR2174113B1 (fi) 1972-02-29 1973-02-28

Country Status (6)

Country Link
US (1) US3772030A (fi)
JP (1) JPS48101119A (fi)
BE (1) BE796122A (fi)
CA (1) CA1000991A (fi)
FR (1) FR2174113B1 (fi)
GB (1) GB1414833A (fi)

Families Citing this family (15)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB1427525A (en) * 1972-07-13 1976-03-10 Agfa Gevaert Directpositive silver halide emulsions
US4110116A (en) * 1973-06-18 1978-08-29 Minnesota Mining And Manufacturing Company Fogged direct positive silver halide emulsion containing a cyanine dye having at least one benzoxazole or benzothiazole nucleus substituted with halogen atoms
US3936308A (en) * 1973-08-16 1976-02-03 Eastman Kodak Company Photographic emulsions containing methine dyes having a 1H-imidazo[4,5-b]pyrazine nucleus
US3935010A (en) * 1974-09-03 1976-01-27 Eastman Kodak Company Element and process for selectively forming positive or negative photographic images
JPS5854379B2 (ja) * 1976-04-28 1983-12-05 コニカ株式会社 直接ポジ型ハロゲン化銀写真感光材料
US4273862A (en) * 1977-06-11 1981-06-16 Mitsubishi Paper Mills, Ltd. Direct-positive silver halide photographic sensitive materials
US4207103A (en) * 1978-06-26 1980-06-10 Eastman Kodak Company Photographic print-out silver halide process
US4433050A (en) * 1980-09-11 1984-02-21 Konishiroku Photo Industry Co., Ltd. Direct positive type light sensitive silver halide photographic material
US4355098A (en) * 1981-02-11 1982-10-19 E. I. Du Pont De Nemours And Company Supersensitizing direct positive dye combinations
JPS5978338A (ja) * 1982-10-27 1984-05-07 Fuji Photo Film Co Ltd 分光増感された内部潜像型ハロゲン化銀写真乳剤
JPS6010241A (ja) * 1983-06-29 1985-01-19 Fuji Photo Film Co Ltd 内部潜像型直接ポジハロゲン化銀乳剤
JPS6073625A (ja) * 1983-09-30 1985-04-25 Fuji Photo Film Co Ltd 再反転ネガ像の抑制された内部潜像型直接ポジハロゲン化銀感光材料
JPS63273855A (ja) * 1987-05-01 1988-11-10 Konica Corp 加筆性にすぐれ、かつ白色度の高い直接ポジ用ハロゲン化銀写真感光材料
US4933273A (en) * 1988-12-02 1990-06-12 Eastman Kodak Company Photographic element and emulsion having enhanced sensitometric properties and process of development
EP1178083A4 (en) * 1999-12-17 2002-05-29 Hayashibara Biochem Lab CYANINE DYE

Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR1367941A (fr) * 1962-09-01 1964-07-24 Agfa Ag émulsion photographique d'halogénure d'argent contenant des grains composites d'halogénure d'argent ayant une répartition extrêmement étroite des grosseurs de particules
FR1492132A (fr) * 1965-05-24 1967-08-18 Eastman Kodak Co Nouvelles émulsions photographiques et nouveaux produits photographiques contenant ces émulsions
GB1150013A (en) * 1965-09-22 1969-04-30 Fuji Photo Film Co Ltd A Process for the Production of a Silver Halide Emulsion
BE770218A (fr) * 1970-07-20 1971-12-01 Eastman Kodak Co Emulsion photosensible aux halogenures d'argent donnant directement a l'exposition une image positive par rapport a un original, et procede pour sa preparation

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3206313A (en) * 1961-05-15 1965-09-14 Eastman Kodak Co Chemically sensitized emulsions having low surface sensitivity and high internal sensitivity
US3528811A (en) * 1967-05-17 1970-09-15 Eastman Kodak Co Photographic emulsions containing a pyrimidinedione and a desensitizing nucleus linked by a dimethine or a double bond
US3558320A (en) * 1967-08-14 1971-01-26 Eastman Kodak Co Direct positive silver halide emulsions containing 3 - nitrosoindole cyanine dyes

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR1367941A (fr) * 1962-09-01 1964-07-24 Agfa Ag émulsion photographique d'halogénure d'argent contenant des grains composites d'halogénure d'argent ayant une répartition extrêmement étroite des grosseurs de particules
FR1492132A (fr) * 1965-05-24 1967-08-18 Eastman Kodak Co Nouvelles émulsions photographiques et nouveaux produits photographiques contenant ces émulsions
GB1150013A (en) * 1965-09-22 1969-04-30 Fuji Photo Film Co Ltd A Process for the Production of a Silver Halide Emulsion
BE770218A (fr) * 1970-07-20 1971-12-01 Eastman Kodak Co Emulsion photosensible aux halogenures d'argent donnant directement a l'exposition une image positive par rapport a un original, et procede pour sa preparation

Also Published As

Publication number Publication date
GB1414833A (en) 1975-11-19
FR2174113B1 (fi) 1977-02-04
BE796122A (fr) 1973-08-28
CA1000991A (en) 1976-12-07
US3772030A (en) 1973-11-13
DE2307805B2 (de) 1976-10-07
DE2307805A1 (de) 1973-09-13
JPS48101119A (fi) 1973-12-20

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Legal Events

Date Code Title Description
ST Notification of lapse