CH236941A - Process for the preparation of a polymethine dye. - Google Patents

Process for the preparation of a polymethine dye.

Info

Publication number
CH236941A
CH236941A CH236941DA CH236941A CH 236941 A CH236941 A CH 236941A CH 236941D A CH236941D A CH 236941DA CH 236941 A CH236941 A CH 236941A
Authority
CH
Switzerland
Prior art keywords
preparation
polymethine dye
polymethine
dye
Prior art date
Application number
Other languages
German (de)
Inventor
Aktiengesellsc Farbenindustrie
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
Publication of CH236941A publication Critical patent/CH236941A/en

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
    • C09B23/14—Styryl dyes
    • C09B23/145—Styryl dyes the ethylene chain carrying an heterocyclic residue, e.g. heterocycle-CH=CH-C6H5

Landscapes

  • Chemical & Material Sciences (AREA)
  • Organic Chemistry (AREA)
CH236941D 1940-10-21 1941-12-02 Process for the preparation of a polymethine dye. CH236941A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE232375X 1940-10-21

Publications (1)

Publication Number Publication Date
CH236941A true CH236941A (en) 1945-03-15

Family

ID=5880575

Family Applications (2)

Application Number Title Priority Date Filing Date
CH232375D CH232375A (en) 1940-10-21 1941-12-02 Process for the preparation of a polymethine dye.
CH236941D CH236941A (en) 1940-10-21 1941-12-02 Process for the preparation of a polymethine dye.

Family Applications Before (1)

Application Number Title Priority Date Filing Date
CH232375D CH232375A (en) 1940-10-21 1941-12-02 Process for the preparation of a polymethine dye.

Country Status (2)

Country Link
CH (2) CH232375A (en)
FR (1) FR886294A (en)

Also Published As

Publication number Publication date
FR886294A (en) 1943-10-11
CH232375A (en) 1944-05-31

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