BE563957A - Nouvelle emulsion photograpique a contraste variable - Google Patents

Nouvelle emulsion photograpique a contraste variable

Info

Publication number
BE563957A
BE563957A BE563957A BE563957A BE563957A BE 563957 A BE563957 A BE 563957A BE 563957 A BE563957 A BE 563957A BE 563957 A BE563957 A BE 563957A BE 563957 A BE563957 A BE 563957A
Authority
BE
Belgium
Prior art keywords
photograpic
new
variable contrast
contrast emulsion
emulsion
Prior art date
Application number
BE563957A
Other languages
English (en)
Inventor
Burt H Carroll
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 BE563957A publication Critical patent/BE563957A/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
    • 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
    • G03C1/06—Silver halide emulsions; Preparation thereof; Physical treatment thereof; Incorporation of additives therein with non-macromolecular additives
    • G03C1/08—Sensitivity-increasing substances
    • G03C1/10—Organic substances
    • G03C1/12—Methine and polymethine dyes
    • 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
    • G03C1/06—Silver halide emulsions; Preparation thereof; Physical treatment thereof; Incorporation of additives therein with non-macromolecular additives
    • G03C1/08—Sensitivity-increasing substances
    • G03C1/28—Sensitivity-increasing substances together with supersensitising substances
    • G03C1/29—Sensitivity-increasing substances together with supersensitising substances the supersensitising mixture being solely composed of dyes ; Combination of dyes, even if the supersensitising effect is not explicitly disclosed

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)
  • Non-Silver Salt Photosensitive Materials And Non-Silver Salt Photography (AREA)
BE563957A 1957-01-18 1958-01-14 Nouvelle emulsion photograpique a contraste variable BE563957A (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US634944A US2944901A (en) 1957-01-18 1957-01-18 Multicontrast photographic emulsions

Publications (1)

Publication Number Publication Date
BE563957A true BE563957A (fr) 1958-01-31

Family

ID=24545778

Family Applications (1)

Application Number Title Priority Date Filing Date
BE563957A BE563957A (fr) 1957-01-18 1958-01-14 Nouvelle emulsion photograpique a contraste variable

Country Status (3)

Country Link
US (2) US2944901A (fr)
BE (1) BE563957A (fr)
DE (1) DE1075944B (fr)

Families Citing this family (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB1054284A (fr) * 1963-02-14
BE673354A (fr) * 1964-12-08 1966-04-01
BE755812A (fr) * 1969-09-05 1971-02-15 Fuji Photo Film Co Ltd Materiels photosensibles a plusieurs couches pour la photographie en couleurs
US3933798A (en) * 1974-08-27 1976-01-20 Polaroid Corporation Novel bis-pyrazolone oxonol dyes
US5219723A (en) * 1991-10-10 1993-06-15 Eastman Kodak Company Green sensitizing dyes for variable contrast photographic elements
JPH05216145A (ja) * 1991-10-10 1993-08-27 Eastman Kodak Co 多階調写真要素の特性曲線形状制御方法
EP0794456B1 (fr) 1996-03-07 2003-01-29 Agfa-Gevaert Procédé de reproduction d'une image médicale mémorisée électroniquement sur matériau photographique sensible à la lumière
DE10111731A1 (de) * 2001-03-09 2002-09-12 Bayer Ag Verfahren zur Herstellung von unsymmetrischen Methinfarbstoffen

Family Cites Families (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2213995A (en) * 1938-03-08 1940-09-10 Gen Aniline & Film Corp Photographic emulsion
NL60064C (fr) * 1941-05-22
BE466676A (fr) * 1945-07-16
US2588615A (en) * 1946-06-01 1952-03-11 Eastman Kodak Co Printing onto lenticular film
US2533472A (en) * 1947-01-17 1950-12-12 Eastman Kodak Co Unsymmetrical oxonol filter and antihalation dyes
BE509307A (fr) * 1951-02-17

Also Published As

Publication number Publication date
US2944901A (en) 1960-07-12
DE1075944B (de) 1960-02-18
US2947631A (en) 1960-08-02

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