FR886294A - Polymethine dyes and their preparation process - Google Patents

Polymethine dyes and their preparation process

Info

Publication number
FR886294A
FR886294A FR886294DA FR886294A FR 886294 A FR886294 A FR 886294A FR 886294D A FR886294D A FR 886294DA FR 886294 A FR886294 A FR 886294A
Authority
FR
France
Prior art keywords
preparation process
polymethine dyes
polymethine
dyes
preparation
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 FR886294A publication Critical patent/FR886294A/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
    • C09B23/14—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)
FR886294D 1940-10-21 1942-09-30 Polymethine dyes and their preparation process Expired FR886294A (en)

Applications Claiming Priority (1)

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

Publications (1)

Publication Number Publication Date
FR886294A true FR886294A (en) 1943-10-11

Family

ID=5880575

Family Applications (1)

Application Number Title Priority Date Filing Date
FR886294D Expired FR886294A (en) 1940-10-21 1942-09-30 Polymethine dyes and their preparation process

Country Status (2)

Country Link
CH (2) CH236941A (en)
FR (1) FR886294A (en)

Also Published As

Publication number Publication date
CH236941A (en) 1945-03-15
CH232375A (en) 1944-05-31

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