FR1105855A - Disazo and polyazo dyes and their manufacturing process - Google Patents

Disazo and polyazo dyes and their manufacturing process

Info

Publication number
FR1105855A
FR1105855A FR1105855DA FR1105855A FR 1105855 A FR1105855 A FR 1105855A FR 1105855D A FR1105855D A FR 1105855DA FR 1105855 A FR1105855 A FR 1105855A
Authority
FR
France
Prior art keywords
disazo
manufacturing process
polyazo dyes
polyazo
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 FR1105855A publication Critical patent/FR1105855A/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
    • C09B45/04—Azo compounds in general

Landscapes

  • Chemical & Material Sciences (AREA)
  • Organic Chemistry (AREA)
FR1105855D 1950-06-21 1951-06-19 Disazo and polyazo dyes and their manufacturing process Expired FR1105855A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CH1105855X 1950-06-21

Publications (1)

Publication Number Publication Date
FR1105855A true FR1105855A (en) 1955-12-08

Family

ID=4557761

Family Applications (1)

Application Number Title Priority Date Filing Date
FR1105855D Expired FR1105855A (en) 1950-06-21 1951-06-19 Disazo and polyazo dyes and their manufacturing process

Country Status (1)

Country Link
FR (1) FR1105855A (en)

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