FR1161300A - Azo dyes and their preparation process - Google Patents

Azo dyes and their preparation process

Info

Publication number
FR1161300A
FR1161300A FR1161300DA FR1161300A FR 1161300 A FR1161300 A FR 1161300A FR 1161300D A FR1161300D A FR 1161300DA FR 1161300 A FR1161300 A FR 1161300A
Authority
FR
France
Prior art keywords
preparation process
azo dyes
azo
dyes
preparation
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.)
Novartis AG
Original Assignee
Ciba Geigy 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 Ciba Geigy AG filed Critical Ciba Geigy AG
Application granted granted Critical
Publication of FR1161300A publication Critical patent/FR1161300A/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
    • C09B45/24—Disazo or polyazo compounds
    • 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
    • C09B56/00—Azo dyes containing other chromophoric systems
    • C09B56/04—Stilbene-azo dyes

Landscapes

  • Chemical & Material Sciences (AREA)
  • Organic Chemistry (AREA)
FR1161300D 1955-11-11 1956-11-09 Azo dyes and their preparation process Expired FR1161300A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CH1161300X 1955-11-11

Publications (1)

Publication Number Publication Date
FR1161300A true FR1161300A (en) 1958-08-25

Family

ID=4560704

Family Applications (1)

Application Number Title Priority Date Filing Date
FR1161300D Expired FR1161300A (en) 1955-11-11 1956-11-09 Azo dyes and their preparation process

Country Status (1)

Country Link
FR (1) FR1161300A (en)

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0160113A1 (en) * 1984-04-27 1985-11-06 Nippon Kayaku Kabushiki Kaisha Water soluble disazo compound, copper salt thereof, and sheet or film colored therewith
EP0376032A2 (en) * 1988-12-23 1990-07-04 Bayer Ag Stilbene dyes and films or sheets containing the same
US5272259A (en) * 1988-12-23 1993-12-21 Bayer Aktiengesellschaft Stilbene dyestuffs and light-polarizing films or sheets containing stilbene

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0160113A1 (en) * 1984-04-27 1985-11-06 Nippon Kayaku Kabushiki Kaisha Water soluble disazo compound, copper salt thereof, and sheet or film colored therewith
EP0376032A2 (en) * 1988-12-23 1990-07-04 Bayer Ag Stilbene dyes and films or sheets containing the same
EP0376032A3 (en) * 1988-12-23 1991-02-27 Bayer Ag Stilbene dyes and films or sheets containing the same
US5272259A (en) * 1988-12-23 1993-12-21 Bayer Aktiengesellschaft Stilbene dyestuffs and light-polarizing films or sheets containing stilbene

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