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FR702412A - Process for the production of black azo dyes - Google Patents

Process for the production of black azo dyes

Info

Publication number
FR702412A
FR702412A FR702412DA FR702412A FR 702412 A FR702412 A FR 702412A FR 702412D A FR702412D A FR 702412DA FR 702412 A FR702412 A FR 702412A
Authority
FR
France
Prior art keywords
production
azo dyes
black azo
black
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 FR702412A publication Critical patent/FR702412A/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
    • C09B35/00—Disazo and polyazo dyes of the type A<-D->B prepared by diazotising and coupling
    • C09B35/50—Tetrazo dyes
    • C09B35/60—Tetrazo dyes of the type

Landscapes

  • Chemical & Material Sciences (AREA)
  • Organic Chemistry (AREA)
FR702412D 1929-10-09 1930-09-19 Process for the production of black azo dyes Expired FR702412A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE702412X 1929-10-09

Publications (1)

Publication Number Publication Date
FR702412A true FR702412A (en) 1931-04-08

Family

ID=6612613

Family Applications (1)

Application Number Title Priority Date Filing Date
FR702412D Expired FR702412A (en) 1929-10-09 1930-09-19 Process for the production of black azo dyes

Country Status (1)

Country Link
FR (1) FR702412A (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0645436A1 (en) * 1993-09-27 1995-03-29 Sumitomo Chemical Company, Limited Tetrakisazo compound and ink containing the compound

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0645436A1 (en) * 1993-09-27 1995-03-29 Sumitomo Chemical Company, Limited Tetrakisazo compound and ink containing the compound
US5530105A (en) * 1993-09-27 1996-06-25 Sumitomo Chemical Company, Limited Tetraskisazo compound and ink containing the compound

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