GB527627A - Improvements in photographic emulsions and manufacture of dyes therefor - Google Patents

Improvements in photographic emulsions and manufacture of dyes therefor

Info

Publication number
GB527627A
GB527627A GB7384/39A GB738439A GB527627A GB 527627 A GB527627 A GB 527627A GB 7384/39 A GB7384/39 A GB 7384/39A GB 738439 A GB738439 A GB 738439A GB 527627 A GB527627 A GB 527627A
Authority
GB
United Kingdom
Prior art keywords
toluenesulphonate
condensed
etho
metho
diethyl
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
GB7384/39A
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
Priority to BE464880D priority Critical patent/BE464880A/xx
Application filed by Kodak Ltd filed Critical Kodak Ltd
Priority to GB7384/39A priority patent/GB527627A/en
Priority to US309686A priority patent/US2282115A/en
Priority to FR867415D priority patent/FR867415A/fr
Publication of GB527627A publication Critical patent/GB527627A/en
Expired legal-status Critical Current

Links

Classifications

    • 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
    • C09B23/12—Methine or polymethine dyes, e.g. cyanine dyes the polymethine chain being branched "branched" means that the substituent on the polymethine chain forms a new conjugated system, e.g. most trinuclear cyanine 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
    • G03C1/76—Photosensitive materials characterised by the base or auxiliary layers
    • G03C1/825—Photosensitive materials characterised by the base or auxiliary layers characterised by antireflection means or visible-light filtering means, e.g. antihalation
    • G03C1/83—Organic dyestuffs therefor
    • 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
    • G03C1/76—Photosensitive materials characterised by the base or auxiliary layers
    • G03C1/825—Photosensitive materials characterised by the base or auxiliary layers characterised by antireflection means or visible-light filtering means, e.g. antihalation
    • G03C1/83—Organic dyestuffs therefor
    • G03C1/832—Methine or polymethine dyes

Landscapes

  • Chemical & Material Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Materials Engineering (AREA)
  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Organic Chemistry (AREA)
  • Plural Heterocyclic Compounds (AREA)
  • Heterocyclic Carbon Compounds Containing A Hetero Ring Having Nitrogen And Oxygen As The Only Ring Hetero Atoms (AREA)
  • Thiazole And Isothizaole Compounds (AREA)
GB7384/39A 1939-03-07 1939-03-07 Improvements in photographic emulsions and manufacture of dyes therefor Expired GB527627A (en)

Priority Applications (4)

Application Number Priority Date Filing Date Title
BE464880D BE464880A (US08197722-20120612-C00042.png) 1939-03-07
GB7384/39A GB527627A (en) 1939-03-07 1939-03-07 Improvements in photographic emulsions and manufacture of dyes therefor
US309686A US2282115A (en) 1939-03-07 1939-12-16 Trinuclear polymethine dyes
FR867415D FR867415A (fr) 1939-03-07 1940-03-07 Colorants polyméthiniques à trois noyaux

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB7384/39A GB527627A (en) 1939-03-07 1939-03-07 Improvements in photographic emulsions and manufacture of dyes therefor

Publications (1)

Publication Number Publication Date
GB527627A true GB527627A (en) 1940-10-14

Family

ID=9832090

Family Applications (1)

Application Number Title Priority Date Filing Date
GB7384/39A Expired GB527627A (en) 1939-03-07 1939-03-07 Improvements in photographic emulsions and manufacture of dyes therefor

Country Status (4)

Country Link
US (1) US2282115A (US08197722-20120612-C00042.png)
BE (1) BE464880A (US08197722-20120612-C00042.png)
FR (1) FR867415A (US08197722-20120612-C00042.png)
GB (1) GB527627A (US08197722-20120612-C00042.png)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2454122A1 (fr) * 1978-09-01 1980-11-07 Ciba Geigy Ag Matiere photographique directement positive

Families Citing this family (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2427177A (en) * 1944-08-16 1947-09-09 Gen Aniline & Film Corp Sensitizing silver halide emulsions
US2478367A (en) * 1944-11-11 1949-08-09 Eastman Kodak Co N, n'-alkylenecyanine dyes
BE462493A (US08197722-20120612-C00042.png) * 1945-01-19
US2450390A (en) * 1945-01-19 1948-09-28 Gen Aniline & Film Corp Photographic emulsions containing trinuclear iminol cyanine dyes
GB607918A (en) * 1946-03-01 1948-09-07 John David Kendall Improvements in or relating to the production of dyestuffs
US2461137A (en) * 1946-09-04 1949-02-08 Eastman Kodak Co Photographic emulsions sensitized with n, n-alkylenecyanine dyes
BE509181A (US08197722-20120612-C00042.png) * 1951-02-12
JPS5616557A (en) * 1979-07-17 1981-02-17 Ciba Geigy Ag Novel trinuclear methyne dye and direct positive type photograph material using same as sensitizer
US4326021A (en) * 1980-02-01 1982-04-20 Ciba Geigy Ag Photographic negative material with at least one layer containing a desensitized silver halide emulsion
US5294709A (en) * 1989-02-28 1994-03-15 Fuji Photo Film Co., Ltd. Methine compounds and methine dyes

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2454122A1 (fr) * 1978-09-01 1980-11-07 Ciba Geigy Ag Matiere photographique directement positive

Also Published As

Publication number Publication date
BE464880A (US08197722-20120612-C00042.png)
FR867415A (fr) 1941-10-27
US2282115A (en) 1942-05-05

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