GB625907A - Improvements in or relating to the preparation of symmetrical and asymmetrical meso-substituted carbocyanine dyestuffs - Google Patents

Improvements in or relating to the preparation of symmetrical and asymmetrical meso-substituted carbocyanine dyestuffs

Info

Publication number
GB625907A
GB625907A GB19788/46A GB1978846A GB625907A GB 625907 A GB625907 A GB 625907A GB 19788/46 A GB19788/46 A GB 19788/46A GB 1978846 A GB1978846 A GB 1978846A GB 625907 A GB625907 A GB 625907A
Authority
GB
United Kingdom
Prior art keywords
prepared
ethiodide
dimethylvinylbenzthiazole
dimethylvinylbenzoxazole
aminophenol
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
GB19788/46A
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.)
Gevaert Photo Producten NV
Original Assignee
Gevaert Photo Producten NV
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 Gevaert Photo Producten NV filed Critical Gevaert Photo Producten NV
Publication of GB625907A publication Critical patent/GB625907A/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

Landscapes

  • Chemical & Material Sciences (AREA)
  • Organic Chemistry (AREA)
  • Heterocyclic Carbon Compounds Containing A Hetero Ring Having Nitrogen And Oxygen As The Only Ring Hetero Atoms (AREA)
GB19788/46A 1945-07-02 1946-07-02 Improvements in or relating to the preparation of symmetrical and asymmetrical meso-substituted carbocyanine dyestuffs Expired GB625907A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
BE625907X 1945-07-02

Publications (1)

Publication Number Publication Date
GB625907A true GB625907A (en) 1949-07-06

Family

ID=3875860

Family Applications (1)

Application Number Title Priority Date Filing Date
GB19788/46A Expired GB625907A (en) 1945-07-02 1946-07-02 Improvements in or relating to the preparation of symmetrical and asymmetrical meso-substituted carbocyanine dyestuffs

Country Status (3)

Country Link
BE (1) BE459162A (pt)
FR (1) FR929969A (pt)
GB (1) GB625907A (pt)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2734900A (en) * 1953-12-28 1956-02-14 Chxgh
US2887479A (en) * 1955-11-15 1959-05-19 Eastman Kodak Co Heterocyclic quaternary salts containing a cyclohexenylidenemethyl substituent

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
BE474186A (pt) * 1946-07-05

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2734900A (en) * 1953-12-28 1956-02-14 Chxgh
US2756227A (en) * 1953-12-28 1956-07-24 Eastman Kodak Co Quaternary salts and method of preparation
US2887479A (en) * 1955-11-15 1959-05-19 Eastman Kodak Co Heterocyclic quaternary salts containing a cyclohexenylidenemethyl substituent

Also Published As

Publication number Publication date
BE459162A (pt)
FR929969A (fr) 1948-01-13

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