FR49976E - Process for preparing vat dyes and their leucoic esters - Google Patents

Process for preparing vat dyes and their leucoic esters

Info

Publication number
FR49976E
FR49976E FR49976DA FR49976E FR 49976 E FR49976 E FR 49976E FR 49976D A FR49976D A FR 49976DA FR 49976 E FR49976 E FR 49976E
Authority
FR
France
Prior art keywords
leucoic
esters
vat dyes
preparing vat
preparing
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 FR49976E publication Critical patent/FR49976E/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
    • C09B5/00—Dyes with an anthracene nucleus condensed with one or more heterocyclic rings with or without carbocyclic rings
    • C09B5/24—Dyes with an anthracene nucleus condensed with one or more heterocyclic rings with or without carbocyclic rings the heterocyclic rings being only condensed with an anthraquinone nucleus in 1-2 or 2-3 position

Landscapes

  • Chemical & Material Sciences (AREA)
  • Organic Chemistry (AREA)
FR49976D 1938-10-14 1938-10-14 Process for preparing vat dyes and their leucoic esters Expired FR49976E (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR49976T 1938-10-14

Publications (1)

Publication Number Publication Date
FR49976E true FR49976E (en) 1939-09-29

Family

ID=8685050

Family Applications (1)

Application Number Title Priority Date Filing Date
FR49976D Expired FR49976E (en) 1938-10-14 1938-10-14 Process for preparing vat dyes and their leucoic esters

Country Status (1)

Country Link
FR (1) FR49976E (en)

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