FR855945A - New naphthol-sulfonic acids, azo dyes derived from these acids and processes for the preparation of these products - Google Patents

New naphthol-sulfonic acids, azo dyes derived from these acids and processes for the preparation of these products

Info

Publication number
FR855945A
FR855945A FR855945DA FR855945A FR 855945 A FR855945 A FR 855945A FR 855945D A FR855945D A FR 855945DA FR 855945 A FR855945 A FR 855945A
Authority
FR
France
Prior art keywords
acids
products
processes
preparation
azo 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.)
IG Farbenindustrie AG
Original Assignee
IG Farbenindustrie 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 IG Farbenindustrie AG filed Critical IG Farbenindustrie AG
Application granted granted Critical
Publication of FR855945A publication Critical patent/FR855945A/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
    • C09B29/00—Monoazo dyes prepared by diazotising and coupling
    • C09B29/24—Monoazo dyes prepared by diazotising and coupling from coupling components containing both hydroxyl and amino directing groups
    • C09B29/28—Amino naphthols
    • C09B29/30—Amino naphtholsulfonic acid

Landscapes

  • Chemical & Material Sciences (AREA)
  • Organic Chemistry (AREA)
FR855945D 1938-06-09 1939-06-08 New naphthol-sulfonic acids, azo dyes derived from these acids and processes for the preparation of these products Expired FR855945A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE855945X 1938-06-09

Publications (1)

Publication Number Publication Date
FR855945A true FR855945A (en) 1940-05-23

Family

ID=6789219

Family Applications (1)

Application Number Title Priority Date Filing Date
FR855945D Expired FR855945A (en) 1938-06-09 1939-06-08 New naphthol-sulfonic acids, azo dyes derived from these acids and processes for the preparation of these products

Country Status (1)

Country Link
FR (1) FR855945A (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE876986C (en) * 1943-03-04 1953-05-18 Basf Ag Process for dyeing leather

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE876986C (en) * 1943-03-04 1953-05-18 Basf Ag Process for dyeing leather

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