BE796122A - Emulsion photosensible aux halogenures d'argent positive directe et procede de preparation de cette emulsion - Google Patents

Emulsion photosensible aux halogenures d'argent positive directe et procede de preparation de cette emulsion

Info

Publication number
BE796122A
BE796122A BE128242A BE128242A BE796122A BE 796122 A BE796122 A BE 796122A BE 128242 A BE128242 A BE 128242A BE 128242 A BE128242 A BE 128242A BE 796122 A BE796122 A BE 796122A
Authority
BE
Belgium
Prior art keywords
emulsion
preparing
silver halide
direct positive
halide photosensitive
Prior art date
Application number
BE128242A
Other languages
English (en)
Inventor
P B Gilman
R G Raleigh
T D Koszelak
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 BE796122A publication Critical patent/BE796122A/fr

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)
BE128242A 1972-02-29 1973-02-28 Emulsion photosensible aux halogenures d'argent positive directe et procede de preparation de cette emulsion BE796122A (fr)

Applications Claiming Priority (1)

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

Publications (1)

Publication Number Publication Date
BE796122A true BE796122A (fr) 1973-08-28

Family

ID=22865442

Family Applications (1)

Application Number Title Priority Date Filing Date
BE128242A BE796122A (fr) 1972-02-29 1973-02-28 Emulsion photosensible aux halogenures d'argent positive directe et procede de preparation de cette emulsion

Country Status (6)

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

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
EP1429324A1 (fr) * 1999-12-17 2004-06-16 Kabushiki Kaisha Hayashibara Seibutsu Kagaku Kenkyujo Colorants monomethiniques pour utilisation dans des matériaux d'enregistrement optiques

Family Cites Families (7)

* 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
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
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
US3650758A (en) * 1970-07-20 1972-03-21 Eastman Kodak Co Direct-positive print-out silver halide emulsion fogged to visible density

Also Published As

Publication number Publication date
CA1000991A (en) 1976-12-07
US3772030A (en) 1973-11-13
DE2307805A1 (de) 1973-09-13
GB1414833A (en) 1975-11-19
DE2307805B2 (de) 1976-10-07
JPS48101119A (fr) 1973-12-20
FR2174113B1 (fr) 1977-02-04
FR2174113A1 (fr) 1973-10-12

Similar Documents

Publication Publication Date Title
BE790101A (fr) Produit photographique aux halogenures d'argent et procede pourformer une image avec ce produit
BE780538A (fr) Produit photographique aux halogenures d'argent positif direct et procede pour former une image positive directe
BE832151A (fr) Procede de preparation d'une emulsion d'halogenure d'argent
BE770700A (fr) Procede de preparation d'une emulsion photosensible aux halogenures d'argent positive directe
BE796122A (fr) Emulsion photosensible aux halogenures d'argent positive directe et procede de preparation de cette emulsion
BE750430A (fr) Procede de production d'une emulsion photographique a l'halogenure d'argent. (
BE795745A (fr) Procede de preparation d'une emulsion photographique aux halogenures d'argent homodispersee
BE871278R (fr) Procede de preparation d'une emulsion d'halogenure d'argent
BE794965A (fr) Procede de preparation d'une emulsion photosensible aux halogenures d'argent
BE774437A (fr) Nouvelle emulsion photographique aux halogenures d'argent positive directe
BE713273A (fr) Nouveaux produits photographiques aux halogenures d'argent et procede de traitement de ces produits.
BE774787A (fr) Nouvelle emulsion photographique aux halogenures d'argent positive directe
BE818237A (fr) Procede d'epuration et de concentration d'emulsions photographiques de gelatino-halogenures d'argent
GB1365671A (en) Silver halide photographic lightsensitive emulsions
BE765332A (fr) Procede de sensibilisation d'une emulsion aux halogenures d'argent
BE884700A (fr) Procede de preparation d'emulsions photographiques d'halogenures d'argent monodispersees a sensibilite amelioree
CH552832A (fr) Produit photographique aux halogenures d'argent.
BE753434A (fr) Procede de preparation d'une emulsion photographique a l'halogenure d'argent
BE756535A (fr) Emulsion photographique aux halogenures d'argent sursensibilisee
FR2307292A1 (fr) Production d'emulsions photographiques aux halogenures d'argent
BE755479A (fr) Procede pour sensibiliser chimiquement les emulsions photographiques aux halogenures d'argent
BE762988A (fr) Emulsion photosensible aux halogenures d'argent positive directe stableen conservation
BE807335A (fr) Procede d'obtention d'images photographiques
BE778303A (fr) Produit photographique aux halogenures d'argent ameliore
BE802536A (nl) Werkwijze voor de bereiding van fotografische zilverhalogenide-gelatine-emulsies