FR446502A - Manufacturing process of brown azo dyes - Google Patents

Manufacturing process of brown azo dyes

Info

Publication number
FR446502A
FR446502A FR446502DA FR446502A FR 446502 A FR446502 A FR 446502A FR 446502D A FR446502D A FR 446502DA FR 446502 A FR446502 A FR 446502A
Authority
FR
France
Prior art keywords
manufacturing process
azo dyes
brown azo
brown
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.)
Hoechst AG
Original Assignee
Farbwerke Hoechst 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 Farbwerke Hoechst AG filed Critical Farbwerke Hoechst AG
Application granted granted Critical
Publication of FR446502A publication Critical patent/FR446502A/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
    • C09B29/00—Monoazo dyes prepared by diazotising and coupling
    • C09B29/24—Monoazo dyes prepared by diazotising and coupling from coupling components containing both hydroxyl and amino directing groups
    • C09B29/28—Amino naphthols
    • C09B29/30—Amino naphtholsulfonic acid

Landscapes

  • Chemical & Material Sciences (AREA)
  • Organic Chemistry (AREA)
FR446502D 1911-10-03 1911-10-03 Manufacturing process of brown azo dyes Expired FR446502A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR446502T 1911-10-03

Publications (1)

Publication Number Publication Date
FR446502A true FR446502A (en) 1912-12-07

Family

ID=1487272

Family Applications (1)

Application Number Title Priority Date Filing Date
FR446502D Expired FR446502A (en) 1911-10-03 1911-10-03 Manufacturing process of brown azo dyes

Country Status (1)

Country Link
FR (1) FR446502A (en)

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