FR769766A - Process for the preparation of monoazo dyes - Google Patents

Process for the preparation of monoazo dyes

Info

Publication number
FR769766A
FR769766A FR769766DA FR769766A FR 769766 A FR769766 A FR 769766A FR 769766D A FR769766D A FR 769766DA FR 769766 A FR769766 A FR 769766A
Authority
FR
France
Prior art keywords
preparation
monoazo dyes
monoazo
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.)
Sandoz AG
Original Assignee
Sandoz 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 Sandoz AG filed Critical Sandoz AG
Application granted granted Critical
Publication of FR769766A publication Critical patent/FR769766A/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
    • C09B45/00—Complex metal compounds of azo dyes
    • C09B45/02—Preparation from dyes containing in o-position a hydroxy group and in o'-position hydroxy, alkoxy, carboxyl, amino or keto groups
    • C09B45/14—Monoazo compounds
    • C09B45/16—Monoazo compounds containing chromium

Landscapes

  • Chemical & Material Sciences (AREA)
  • Organic Chemistry (AREA)
FR769766D 1933-03-07 1934-03-06 Process for the preparation of monoazo dyes Expired FR769766A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CH769766X 1933-03-07

Publications (1)

Publication Number Publication Date
FR769766A true FR769766A (en) 1934-09-01

Family

ID=4535303

Family Applications (1)

Application Number Title Priority Date Filing Date
FR769766D Expired FR769766A (en) 1933-03-07 1934-03-06 Process for the preparation of monoazo dyes

Country Status (1)

Country Link
FR (1) FR769766A (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2421737A (en) * 1943-06-16 1947-06-03 American Cyanamid Co Chrome monazo complex

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2421737A (en) * 1943-06-16 1947-06-03 American Cyanamid Co Chrome monazo complex

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