GB1250658A - - Google Patents

Info

Publication number
GB1250658A
GB1250658A GB1250658DA GB1250658A GB 1250658 A GB1250658 A GB 1250658A GB 1250658D A GB1250658D A GB 1250658DA GB 1250658 A GB1250658 A GB 1250658A
Authority
GB
United Kingdom
Prior art keywords
sulphopropyl
anhydro
hydroxide
nov
benzothiacarbocyanine
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
Other languages
English (en)
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 filed Critical
Publication of GB1250658A publication Critical patent/GB1250658A/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
    • C09B23/02—Methine or polymethine dyes, e.g. cyanine dyes the polymethine chain containing an odd number of >CH- or >C[alkyl]- groups
    • C09B23/06—Methine 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
    • 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)
  • Spectroscopy & Molecular Physics (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Engineering & Computer Science (AREA)
  • Materials Engineering (AREA)
  • General Physics & Mathematics (AREA)
  • Organic Chemistry (AREA)
  • Silver Salt Photography Or Processing Solution Therefor (AREA)
  • Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
GB1250658D 1967-11-30 1968-11-28 Expired GB1250658A (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US68683167A 1967-11-30 1967-11-30
US75778968A 1968-09-05 1968-09-05

Publications (1)

Publication Number Publication Date
GB1250658A true GB1250658A (fr) 1971-10-20

Family

ID=27103878

Family Applications (1)

Application Number Title Priority Date Filing Date
GB1250658D Expired GB1250658A (fr) 1967-11-30 1968-11-28

Country Status (6)

Country Link
US (1) US3573920A (fr)
BE (1) BE724740A (fr)
CA (1) CA917985A (fr)
DE (1) DE1811542A1 (fr)
FR (1) FR1593828A (fr)
GB (1) GB1250658A (fr)

Families Citing this family (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3753721A (en) * 1970-08-13 1973-08-21 Eastman Kodak Co Photographic materials
JPS4842496B1 (fr) * 1970-09-10 1973-12-13
JPS515781B1 (fr) * 1971-03-12 1976-02-23
JPS519609B1 (fr) * 1971-05-18 1976-03-29
GB1363301A (en) * 1971-07-12 1974-08-14 Ilford Ltd Supersensitising combination'
JPS5539818B2 (fr) * 1972-05-29 1980-10-14
JPS5225333B1 (fr) * 1974-04-19 1977-07-07
JPS5225334B1 (fr) * 1974-04-19 1977-07-07
JPS5225331B1 (fr) * 1974-04-19 1977-07-07

Also Published As

Publication number Publication date
BE724740A (fr) 1969-05-02
FR1593828A (fr) 1970-06-01
CA917985A (en) 1973-01-02
DE1811542A1 (de) 1969-07-24
US3573920A (en) 1971-04-06

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Legal Events

Date Code Title Description
PS Patent sealed [section 19, patents act 1949]
PCNP Patent ceased through non-payment of renewal fee