CA998047A - Tri-nuclear rhodanine nucleus dyes soluble in low molecular weight alcohols - Google Patents

Tri-nuclear rhodanine nucleus dyes soluble in low molecular weight alcohols

Info

Publication number
CA998047A
CA998047A CA160,477A CA160477A CA998047A CA 998047 A CA998047 A CA 998047A CA 160477 A CA160477 A CA 160477A CA 998047 A CA998047 A CA 998047A
Authority
CA
Canada
Prior art keywords
nuclear
tri
molecular weight
low molecular
weight alcohols
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
CA160,477A
Other languages
English (en)
Other versions
CA160477S (en
Inventor
Luigi Magnani
Paolo Beretta
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.)
3M Co
Original Assignee
Minnesota Mining and Manufacturing 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 Minnesota Mining and Manufacturing Co filed Critical Minnesota Mining and Manufacturing Co
Application granted granted Critical
Publication of CA998047A publication Critical patent/CA998047A/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
    • G03C1/26—Polymethine chain forming part of a heterocyclic ring
    • 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
    • C09B23/0075—Methine or polymethine dyes, e.g. cyanine dyes the polymethine chain being part of an heterocyclic ring
    • C09B23/0083—Methine or polymethine dyes, e.g. cyanine dyes the polymethine chain being part of an heterocyclic ring the heteroring being rhodanine in the chain

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)
  • Nitrogen And Oxygen Or Sulfur-Condensed Heterocyclic Ring Systems (AREA)
  • Lasers (AREA)
CA160,477A 1972-01-04 1973-01-03 Tri-nuclear rhodanine nucleus dyes soluble in low molecular weight alcohols Expired CA998047A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
IT47546/72A IT948115B (it) 1972-01-04 1972-01-04 Metodo per rendere coloranti trinu cleari derivati dalla rodanina so lubili in alcoli a basso peso mole colare e coloranti ottenuti per uso in emulsioni fotografiche all alogenuro d argento

Publications (1)

Publication Number Publication Date
CA998047A true CA998047A (en) 1976-10-05

Family

ID=11261002

Family Applications (1)

Application Number Title Priority Date Filing Date
CA160,477A Expired CA998047A (en) 1972-01-04 1973-01-03 Tri-nuclear rhodanine nucleus dyes soluble in low molecular weight alcohols

Country Status (7)

Country Link
US (1) US3909274A (it)
JP (1) JPS597739B2 (it)
CA (1) CA998047A (it)
DE (1) DE2300321C2 (it)
FR (1) FR2167610B1 (it)
GB (1) GB1413081A (it)
IT (1) IT948115B (it)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5587482A (en) * 1996-03-07 1996-12-24 Sterling Diagnostic Imaging, Inc. Zeromethine merocyanine dyes useful as spectral sensitizers in photographic elements

Family Cites Families (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2256163A (en) * 1938-12-24 1941-09-16 Gen Aniline & Film Corp Photographic silver halide emulsion
BE524120A (it) * 1952-03-01
DE1098653B (de) * 1959-06-27 1961-02-02 Hoechst Ag Verfahren zur Herstellung von Sensibilisierungsfarbstoffen
US3335010A (en) * 1964-05-04 1967-08-08 Eastman Kodak Co Trinuclear dyes for photographic elements
DE1547862C3 (de) * 1965-12-30 1974-02-07 Fuji Shashin Film K.K., Kanagawa (Japan) Spektral übersensibilisierte photographische Silberhalogenidemulsion
US3507649A (en) * 1967-01-31 1970-04-21 Lee C Hensley Sensitized photoconductive zinc oxide
US3539349A (en) * 1967-09-08 1970-11-10 Eastman Kodak Co Fogold direct positive silver halide emulsions containing quaternated merocyanine dyes
US3734739A (en) * 1971-07-29 1973-05-22 Polaroid Corp Silver halide emulsions sensitized with cyanine dyes containing a quaternary group

Also Published As

Publication number Publication date
IT948115B (it) 1973-05-30
FR2167610A1 (it) 1973-08-24
GB1413081A (en) 1975-11-05
JPS4879226A (it) 1973-10-24
DE2300321C2 (de) 1983-12-15
FR2167610B1 (it) 1976-08-27
DE2300321A1 (de) 1973-07-26
JPS597739B2 (ja) 1984-02-20
US3909274A (en) 1975-09-30

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