GB1362258A - Merocyanine dyes - Google Patents

Merocyanine dyes

Info

Publication number
GB1362258A
GB1362258A GB4940571A GB4940571A GB1362258A GB 1362258 A GB1362258 A GB 1362258A GB 4940571 A GB4940571 A GB 4940571A GB 4940571 A GB4940571 A GB 4940571A GB 1362258 A GB1362258 A GB 1362258A
Authority
GB
United Kingdom
Prior art keywords
prepared
pyrroline
alkyl
pyrrolines
oct
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
GB4940571A
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.)
Eastman Kodak Co
Original Assignee
Eastman Kodak 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 Eastman Kodak Co filed Critical Eastman Kodak Co
Publication of GB1362258A publication Critical patent/GB1362258A/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
    • C09B23/10—The polymethine chain containing an even number of >CH- groups
    • C09B23/105—The polymethine chain containing an even number of >CH- groups two >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
    • C09B23/107—The polymethine chain containing an even number of >CH- groups four >CH- groups
    • 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

Landscapes

  • Chemical & Material Sciences (AREA)
  • Organic Chemistry (AREA)
  • Physics & Mathematics (AREA)
  • Spectroscopy & Molecular Physics (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Engineering & Computer Science (AREA)
  • Materials Engineering (AREA)
  • General Physics & Mathematics (AREA)
  • Plural Heterocyclic Compounds (AREA)
  • Pyrrole Compounds (AREA)
GB4940571A 1970-10-23 1971-10-25 Merocyanine dyes Expired GB1362258A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US8362170A 1970-10-23 1970-10-23

Publications (1)

Publication Number Publication Date
GB1362258A true GB1362258A (en) 1974-07-30

Family

ID=22179574

Family Applications (1)

Application Number Title Priority Date Filing Date
GB4940571A Expired GB1362258A (en) 1970-10-23 1971-10-25 Merocyanine dyes

Country Status (6)

Country Link
US (1) US3718476A (enExample)
BE (1) BE774111A (enExample)
CA (1) CA961491A (enExample)
DE (1) DE2152505C3 (enExample)
FR (1) FR2110013A5 (enExample)
GB (1) GB1362258A (enExample)

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2128737B1 (enExample) * 1971-03-09 1978-03-03 Minnesota Mining & Mfg
US3982950A (en) * 1971-12-28 1976-09-28 Fuji Photo Film Co., Ltd. Silver halide photographic emulsion for use in flash exposure
JPS52138123A (en) * 1976-02-05 1977-11-18 Fuji Photo Film Co Ltd Silver halide photographic emulsion spectrally sensitized by merocyaning dye

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2575018A (en) * 1949-09-24 1951-11-13 Eastman Kodak Co Photographic sensitizing dyes comprising a benzoxazole nucleus
BE551713A (enExample) * 1955-10-12
US3384486A (en) * 1964-05-04 1968-05-21 Eastman Kodak Co Merocyanine dyes for photographic elements containing an extracyclic tertiary amino group
US3582348A (en) * 1968-05-28 1971-06-01 Eastman Kodak Co Silver halide emulsions containing merocyanine dyes having a triazolo or tetrazolo (1,5-a) pyrimidin-7(6h)-one nucleus

Also Published As

Publication number Publication date
FR2110013A5 (enExample) 1972-05-26
US3718476A (en) 1973-02-27
DE2152505A1 (de) 1972-04-27
DE2152505B2 (de) 1973-03-01
BE774111A (fr) 1972-02-14
CA961491A (en) 1975-01-21
DE2152505C3 (de) 1973-09-13

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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