FR625272A - Process for the production of violet tank dyes of the 2-thionaphthene-2-indolindigo series - Google Patents

Process for the production of violet tank dyes of the 2-thionaphthene-2-indolindigo series

Info

Publication number
FR625272A
FR625272A FR625272DA FR625272A FR 625272 A FR625272 A FR 625272A FR 625272D A FR625272D A FR 625272DA FR 625272 A FR625272 A FR 625272A
Authority
FR
France
Prior art keywords
indolindigo
thionaphthene
violet
series
production
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 FR625272A publication Critical patent/FR625272A/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
    • C09B7/00—Indigoid dyes
    • C09B7/06—Indone-thionapthene indigos

Landscapes

  • Chemical & Material Sciences (AREA)
  • Organic Chemistry (AREA)
FR625272D 1926-02-20 1926-02-20 Process for the production of violet tank dyes of the 2-thionaphthene-2-indolindigo series Expired FR625272A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR625272T 1926-02-20

Publications (1)

Publication Number Publication Date
FR625272A true FR625272A (en) 1927-08-06

Family

ID=8987589

Family Applications (1)

Application Number Title Priority Date Filing Date
FR625272D Expired FR625272A (en) 1926-02-20 1926-02-20 Process for the production of violet tank dyes of the 2-thionaphthene-2-indolindigo series

Country Status (1)

Country Link
FR (1) FR625272A (en)

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