FR840512A - New azo dyes - Google Patents

New azo dyes

Info

Publication number
FR840512A
FR840512A FR840512DA FR840512A FR 840512 A FR840512 A FR 840512A FR 840512D A FR840512D A FR 840512DA FR 840512 A FR840512 A FR 840512A
Authority
FR
France
Prior art keywords
azo dyes
new azo
new
dyes
azo
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.)
Societe pour lIndustrie Chimique a Bale CIBA
Original Assignee
Societe pour lIndustrie Chimique a Bale CIBA
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 pour lIndustrie Chimique a Bale CIBA filed Critical Societe pour lIndustrie Chimique a Bale CIBA
Application granted granted Critical
Publication of FR840512A publication Critical patent/FR840512A/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)
FR840512D 1937-09-18 1938-07-09 New azo dyes Expired FR840512A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CH840512X 1937-09-18

Publications (1)

Publication Number Publication Date
FR840512A true FR840512A (en) 1939-04-27

Family

ID=4541199

Family Applications (1)

Application Number Title Priority Date Filing Date
FR840512D Expired FR840512A (en) 1937-09-18 1938-07-09 New azo dyes

Country Status (1)

Country Link
FR (1) FR840512A (en)

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE745413C (en) * 1941-05-29 1944-04-25 Chem Ind Basel Process for the preparation of monoazo dyes
US2470094A (en) * 1945-02-23 1949-05-17 Eastman Kodak Co Monoazo dye
US3985726A (en) * 1970-08-07 1976-10-12 Ciba-Geigy Ag Benzisothiazole and indazole azo compounds

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE745413C (en) * 1941-05-29 1944-04-25 Chem Ind Basel Process for the preparation of monoazo dyes
US2470094A (en) * 1945-02-23 1949-05-17 Eastman Kodak Co Monoazo dye
US3985726A (en) * 1970-08-07 1976-10-12 Ciba-Geigy Ag Benzisothiazole and indazole azo compounds

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