FR49520E - New acid dyes and their preparation process - Google Patents

New acid dyes and their preparation process

Info

Publication number
FR49520E
FR49520E FR49520DA FR49520E FR 49520 E FR49520 E FR 49520E FR 49520D A FR49520D A FR 49520DA FR 49520 E FR49520 E FR 49520E
Authority
FR
France
Prior art keywords
preparation process
acid dyes
new acid
new
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 FR49520E publication Critical patent/FR49520E/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
    • C09B11/00—Diaryl- or thriarylmethane dyes
    • C09B11/04—Diaryl- or thriarylmethane dyes derived from triarylmethanes, i.e. central C-atom is substituted by amino, cyano, alkyl
    • C09B11/26—Triarylmethane dyes in which at least one of the aromatic nuclei is heterocyclic

Landscapes

  • Chemical & Material Sciences (AREA)
  • Organic Chemistry (AREA)
FR49520D 1938-05-24 1938-05-24 New acid dyes and their preparation process Expired FR49520E (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR49520T 1938-05-24

Publications (1)

Publication Number Publication Date
FR49520E true FR49520E (en) 1939-05-01

Family

ID=8684688

Family Applications (1)

Application Number Title Priority Date Filing Date
FR49520D Expired FR49520E (en) 1938-05-24 1938-05-24 New acid dyes and their preparation process

Country Status (1)

Country Link
FR (1) FR49520E (en)

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