FR839185A - Azo dyes and their manufacturing process - Google Patents

Azo dyes and their manufacturing process

Info

Publication number
FR839185A
FR839185A FR839185DA FR839185A FR 839185 A FR839185 A FR 839185A FR 839185D A FR839185D A FR 839185DA FR 839185 A FR839185 A FR 839185A
Authority
FR
France
Prior art keywords
manufacturing process
azo dyes
azo
dyes
manufacturing
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
JR 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 JR Geigy AG filed Critical JR Geigy AG
Application granted granted Critical
Publication of FR839185A publication Critical patent/FR839185A/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
    • C09B43/00—Preparation of azo dyes from other azo compounds
    • C09B43/18—Preparation of azo dyes from other azo compounds by acylation of hydroxyl group or of mercapto group
    • C09B43/24—Preparation of azo dyes from other azo compounds by acylation of hydroxyl group or of mercapto group with formation of —O—SO2—R or —O—SO3H radicals

Landscapes

  • Chemical & Material Sciences (AREA)
  • Organic Chemistry (AREA)
FR839185D 1937-06-14 1938-06-11 Azo dyes and their manufacturing process Expired FR839185A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CH839185X 1937-06-14

Publications (1)

Publication Number Publication Date
FR839185A true FR839185A (en) 1939-03-28

Family

ID=4541042

Family Applications (1)

Application Number Title Priority Date Filing Date
FR839185D Expired FR839185A (en) 1937-06-14 1938-06-11 Azo dyes and their manufacturing process

Country Status (1)

Country Link
FR (1) FR839185A (en)

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