GB703520A - Improvements in and relating to processes of making merocyanine dyes and to photographic silver halide emulsions containing them - Google Patents

Improvements in and relating to processes of making merocyanine dyes and to photographic silver halide emulsions containing them

Info

Publication number
GB703520A
GB703520A GB2229/52A GB222952A GB703520A GB 703520 A GB703520 A GB 703520A GB 2229/52 A GB2229/52 A GB 2229/52A GB 222952 A GB222952 A GB 222952A GB 703520 A GB703520 A GB 703520A
Authority
GB
United Kingdom
Prior art keywords
alkyl
group
merocyanine dyes
heterocyclic
substituted
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
GB2229/52A
Other languages
English (en)
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.)
Kodak Ltd
Original Assignee
Kodak Ltd
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 Kodak Ltd filed Critical Kodak Ltd
Publication of GB703520A publication Critical patent/GB703520A/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
    • G03C1/06—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
    • G03C1/22—Methine and polymethine dyes with an even number of CH groups
    • C—CHEMISTRY; METALLURGY
    • C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
    • C09B—ORGANIC DYES OR CLOSELY-RELATED COMPOUNDS FOR PRODUCING DYES, e.g. PIGMENTS; MORDANTS; LAKES
    • C09B23/00—Methine or polymethine dyes, e.g. cyanine dyes
    • C09B23/10—The polymethine chain containing an even number of >CH- groups

Landscapes

  • Chemical & Material Sciences (AREA)
  • Physics & Mathematics (AREA)
  • Spectroscopy & Molecular Physics (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Engineering & Computer Science (AREA)
  • Materials Engineering (AREA)
  • General Physics & Mathematics (AREA)
  • Organic Chemistry (AREA)
  • Plural Heterocyclic Compounds (AREA)
  • Thiazole And Isothizaole Compounds (AREA)
  • Heterocyclic Carbon Compounds Containing A Hetero Ring Having Nitrogen And Oxygen As The Only Ring Hetero Atoms (AREA)
GB2229/52A 1951-02-17 1952-01-28 Improvements in and relating to processes of making merocyanine dyes and to photographic silver halide emulsions containing them Expired GB703520A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US211566A US2692829A (en) 1951-02-17 1951-02-17 Photographic emulsions sensitized with merocyanine dyes containing a 5(4)-thiazolone nucleus

Publications (1)

Publication Number Publication Date
GB703520A true GB703520A (en) 1954-02-03

Family

ID=22787448

Family Applications (2)

Application Number Title Priority Date Filing Date
GB2229/52A Expired GB703520A (en) 1951-02-17 1952-01-28 Improvements in and relating to processes of making merocyanine dyes and to photographic silver halide emulsions containing them
GB4041/52A Expired GB700734A (en) 1951-02-17 1952-02-15 Improvements in sensitized photographic emulsions and in sensitizing dyes therefor

Family Applications After (1)

Application Number Title Priority Date Filing Date
GB4041/52A Expired GB700734A (en) 1951-02-17 1952-02-15 Improvements in sensitized photographic emulsions and in sensitizing dyes therefor

Country Status (4)

Country Link
US (1) US2692829A (fi)
BE (2) BE509306A (fi)
FR (2) FR1101164A (fi)
GB (2) GB703520A (fi)

Families Citing this family (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2899430A (en) * 1959-08-11 Chxch
BE522770A (fi) * 1952-09-15
US2886565A (en) * 1955-09-12 1959-05-12 Sperry Rand Corp Photographic sensitizing dyes derived from 2-alkyl-5, 6-dihydro-4-h-pyrano (3, 2d) thiazole
BE551713A (fi) * 1955-10-12
BE560805A (fi) * 1956-09-13
US2944901A (en) * 1957-01-18 1960-07-12 Eastman Kodak Co Multicontrast photographic emulsions
US3055952A (en) * 1957-10-09 1962-09-25 Du Pont Hydroxyl-terminated polymers
US3312570A (en) * 1961-05-29 1967-04-04 Monsanto Co Production of epitaxial films of semiconductor compound material
US3106466A (en) * 1961-06-14 1963-10-08 Horizons Inc Print-out photoprocess with merocyanine dyes
US3218204A (en) * 1962-07-13 1965-11-16 Monsanto Co Use of hydrogen halide as a carrier gas in forming ii-vi compound from a crude ii-vicompound
BE755812A (fr) * 1969-09-05 1971-02-15 Fuji Photo Film Co Ltd Materiels photosensibles a plusieurs couches pour la photographie en couleurs

Family Cites Families (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2353164A (en) * 1944-07-11 Dyestuffs and dyestuff
FR810104A (fr) * 1935-08-16 1937-03-15 Ilford Ltd Perfectionnements apportés aux matières tinctoriales
US2177402A (en) * 1935-11-15 1939-10-24 Eastman Kodak Co Dye from thiazolones
DE873357C (de) * 1937-04-23 1953-04-13 Kodak Ag Verfahren zum Sensibilisieren von Halogensilberemulsionen
US2166736A (en) * 1937-04-23 1939-07-18 Eastman Kodak Co Photographic emulsion
US2282116A (en) * 1939-04-14 1942-05-05 Eastman Kodak Co Photographic element
GB534140A (en) * 1939-05-25 1941-02-28 Kodak Ltd Improvements in and relating to photographic emulsions and layers, and the manufacture of dyes for use therein and intermediates for such manufacture
BE442515A (fi) * 1940-07-30
US2320654A (en) * 1940-08-08 1943-06-01 Riester Oskar Sensitization of photographic emulsions
US2656353A (en) * 1950-12-29 1953-10-20 Eastman Kodak Co Sensitizing dyes containing a 2-thio-2, 5 (3, 4)-thiazoledione nucleus

Also Published As

Publication number Publication date
FR1101164A (fr) 1955-10-04
BE509307A (fi)
BE509306A (fi)
FR1099410A (fr) 1955-09-05
GB700734A (en) 1953-12-09
US2692829A (en) 1954-10-26

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