CA1040917A - Spectrally sensitized direct positive emulsion layers - Google Patents

Spectrally sensitized direct positive emulsion layers

Info

Publication number
CA1040917A
CA1040917A CA146,108A CA146108A CA1040917A CA 1040917 A CA1040917 A CA 1040917A CA 146108 A CA146108 A CA 146108A CA 1040917 A CA1040917 A CA 1040917A
Authority
CA
Canada
Prior art keywords
carbon atoms
ring
completing
direct positive
saturated
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
CA146,108A
Other languages
English (en)
French (fr)
Other versions
CA146108S (en
Inventor
Alfons Dorlars
Oskar Riester
Hans Ohlschlager
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.)
Agfa Gevaert AG
Original Assignee
Agfa Gevaert AG
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 Agfa Gevaert AG filed Critical Agfa Gevaert AG
Application granted granted Critical
Publication of CA1040917A publication Critical patent/CA1040917A/en
Expired legal-status Critical Current

Links

Classifications

    • CCHEMISTRY; METALLURGY
    • C09DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
    • C09BORGANIC DYES OR CLOSELY-RELATED COMPOUNDS FOR PRODUCING DYES, e.g. PIGMENTS; MORDANTS; LAKES
    • C09B23/00Methine or polymethine dyes, e.g. cyanine dyes
    • C09B23/10The polymethine chain containing an even number of >CH- groups
    • C09B23/105The polymethine chain containing an even number of >CH- groups two >CH- groups
    • CCHEMISTRY; METALLURGY
    • C09DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
    • C09BORGANIC DYES OR CLOSELY-RELATED COMPOUNDS FOR PRODUCING DYES, e.g. PIGMENTS; MORDANTS; LAKES
    • C09B23/00Methine or polymethine dyes, e.g. cyanine dyes
    • C09B23/02Methine or polymethine dyes, e.g. cyanine dyes the polymethine chain containing an odd number of >CH- or >C[alkyl]- groups
    • C09B23/04Methine or polymethine dyes, e.g. cyanine dyes the polymethine chain containing an odd number of >CH- or >C[alkyl]- groups one >CH- group, e.g. cyanines, isocyanines, pseudocyanines
    • CCHEMISTRY; METALLURGY
    • C09DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
    • C09BORGANIC DYES OR CLOSELY-RELATED COMPOUNDS FOR PRODUCING DYES, e.g. PIGMENTS; MORDANTS; LAKES
    • C09B23/00Methine or polymethine dyes, e.g. cyanine dyes
    • C09B23/02Methine or polymethine dyes, e.g. cyanine dyes the polymethine chain containing an odd number of >CH- or >C[alkyl]- groups
    • C09B23/06Methine or polymethine dyes, e.g. cyanine dyes the polymethine chain containing an odd number of >CH- or >C[alkyl]- groups three >CH- groups, e.g. carbocyanines
    • GPHYSICS
    • G03PHOTOGRAPHY; CINEMATOGRAPHY; ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ELECTROGRAPHY; HOLOGRAPHY
    • G03CPHOTOSENSITIVE MATERIALS FOR PHOTOGRAPHIC PURPOSES; PHOTOGRAPHIC PROCESSES, e.g. CINE, X-RAY, COLOUR, STEREO-PHOTOGRAPHIC PROCESSES; AUXILIARY PROCESSES IN PHOTOGRAPHY
    • G03C1/00Photosensitive materials
    • G03C1/005Silver halide emulsions; Preparation thereof; Physical treatment thereof; Incorporation of additives therein
    • G03C1/485Direct positive emulsions
    • G03C1/48515Direct positive emulsions prefogged
    • G03C1/48523Direct positive emulsions prefogged characterised by the desensitiser
    • G03C1/4853Direct positive emulsions prefogged characterised by the desensitiser polymethine dyes
    • YGENERAL 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
    • Y10TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10STECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10S430/00Radiation imagery chemistry: process, composition, or product thereof
    • Y10S430/141Direct positive material

Landscapes

  • Chemical & Material Sciences (AREA)
  • Organic Chemistry (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Engineering & Computer Science (AREA)
  • Materials Engineering (AREA)
  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Plural Heterocyclic Compounds (AREA)
  • Silver Salt Photography Or Processing Solution Therefor (AREA)
CA146,108A 1971-07-02 1972-06-30 Spectrally sensitized direct positive emulsion layers Expired CA1040917A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE19712132937 DE2132937A1 (de) 1971-07-02 1971-07-02 Spektral sensibilisierte direkt-positiv-emulsionsschichten

Publications (1)

Publication Number Publication Date
CA1040917A true CA1040917A (en) 1978-10-24

Family

ID=5812483

Family Applications (1)

Application Number Title Priority Date Filing Date
CA146,108A Expired CA1040917A (en) 1971-07-02 1972-06-30 Spectrally sensitized direct positive emulsion layers

Country Status (8)

Country Link
US (1) US3816138A (cs)
BE (1) BE785075A (cs)
CA (1) CA1040917A (cs)
CH (1) CH566025A5 (cs)
DE (1) DE2132937A1 (cs)
FR (1) FR2144723B1 (cs)
GB (1) GB1378548A (cs)
IT (1) IT960910B (cs)

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5647544B2 (cs) * 1973-03-27 1981-11-10
US5482825A (en) * 1994-12-23 1996-01-09 Eastman Kodak Company Silver halide emulsions containing fused dihydropyrimidines
AU2003304416A1 (en) * 2003-08-13 2005-03-07 Bf Research Institute, Inc. Probe for disease with amyloid deposit, amyloid-staining agent, remedy and preventive for disease with amyloid deposit and diagnostic probe and staining agent for neurofibril change

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3492123A (en) * 1966-03-11 1970-01-27 Eastman Kodak Co Direct positive silver halide emulsions containing carbocyanine dyes having a carbazole nucleus
US3574629A (en) * 1967-08-14 1971-04-13 Eastman Kodak Co Direct positive silver halide emulsions containing 2-imino-3-thiozoline cyanine dyes
US3592653A (en) * 1967-10-05 1971-07-13 Eastman Kodak Co Silver halide emulsions containing pyrrole cyanine dyes

Also Published As

Publication number Publication date
CH566025A5 (cs) 1975-08-29
US3816138A (en) 1974-06-11
BE785075A (fr) 1972-12-19
GB1378548A (en) 1974-12-27
FR2144723B1 (cs) 1977-08-26
DE2132937A1 (de) 1973-01-18
IT960910B (it) 1973-11-30
FR2144723A1 (cs) 1973-02-16

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