FR713276A - Preparation of sulfurized azo dyes from diazotized orthoaminophenols - Google Patents

Preparation of sulfurized azo dyes from diazotized orthoaminophenols

Info

Publication number
FR713276A
FR713276A FR713276DA FR713276A FR 713276 A FR713276 A FR 713276A FR 713276D A FR713276D A FR 713276DA FR 713276 A FR713276 A FR 713276A
Authority
FR
France
Prior art keywords
orthoaminophenols
diazotized
sulfurized
preparation
azo 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)
Inventor
Robert Lantz
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.)
Societe Anonyme de Matieres Colorantes et Produits Chimiques Francolor
Original Assignee
Societe Anonyme de Matieres Colorantes et Produits Chimiques Francolor
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 Societe Anonyme de Matieres Colorantes et Produits Chimiques Francolor filed Critical Societe Anonyme de Matieres Colorantes et Produits Chimiques Francolor
Application granted granted Critical
Publication of FR713276A publication Critical patent/FR713276A/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
    • C09B33/00—Disazo and polyazo dyes of the types A->K<-B, A->B->K<-C, or the like, prepared by diazotising and coupling
    • C09B33/02—Disazo dyes

Landscapes

  • Chemical & Material Sciences (AREA)
  • Organic Chemistry (AREA)
FR713276D 1930-06-20 1930-06-20 Preparation of sulfurized azo dyes from diazotized orthoaminophenols Expired FR713276A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR713276T 1930-06-20

Publications (1)

Publication Number Publication Date
FR713276A true FR713276A (en) 1931-10-24

Family

ID=9082783

Family Applications (1)

Application Number Title Priority Date Filing Date
FR713276D Expired FR713276A (en) 1930-06-20 1930-06-20 Preparation of sulfurized azo dyes from diazotized orthoaminophenols

Country Status (1)

Country Link
FR (1) FR713276A (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2647113A (en) * 1945-08-24 1953-07-28 Cfmc Azo dyestuff

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2647113A (en) * 1945-08-24 1953-07-28 Cfmc Azo dyestuff

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