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FR845876A - Process for the production of asymmetric trimethinecyanine dyes - Google Patents

Process for the production of asymmetric trimethinecyanine dyes

Info

Publication number
FR845876A
FR845876A FR845876DA FR845876A FR 845876 A FR845876 A FR 845876A FR 845876D A FR845876D A FR 845876DA FR 845876 A FR845876 A FR 845876A
Authority
FR
France
Prior art keywords
asymmetric
production
trimethinecyanine
dyes
trimethinecyanine dyes
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
French (fr)
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.)
IG Farbenindustrie AG
Original Assignee
IG Farbenindustrie 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 IG Farbenindustrie AG filed Critical IG Farbenindustrie AG
Application granted granted Critical
Publication of FR845876A publication Critical patent/FR845876A/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)
FR845876D 1937-11-09 1938-11-09 Process for the production of asymmetric trimethinecyanine dyes Expired FR845876A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE845876X 1937-11-09

Publications (1)

Publication Number Publication Date
FR845876A true FR845876A (en) 1939-09-04

Family

ID=6774912

Family Applications (1)

Application Number Title Priority Date Filing Date
FR845876D Expired FR845876A (en) 1937-11-09 1938-11-09 Process for the production of asymmetric trimethinecyanine dyes

Country Status (2)

Country Link
BE (1) BE430977A (en)
FR (1) FR845876A (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2778823A (en) * 1954-08-23 1957-01-22 Eastman Kodak Co Benzimidazolocarbocyanine dyes

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2778823A (en) * 1954-08-23 1957-01-22 Eastman Kodak Co Benzimidazolocarbocyanine dyes

Also Published As

Publication number Publication date
BE430977A (en)

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