FR739468A - Process for the production of primary disazo dyes - Google Patents

Process for the production of primary disazo dyes

Info

Publication number
FR739468A
FR739468A FR739468DA FR739468A FR 739468 A FR739468 A FR 739468A FR 739468D A FR739468D A FR 739468DA FR 739468 A FR739468 A FR 739468A
Authority
FR
France
Prior art keywords
production
disazo dyes
primary
primary disazo
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.)
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 FR739468A publication Critical patent/FR739468A/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
    • C09B33/00—Disazo and polyazo dyes of the types A->K<-B, A->B->K<-C, or the like, prepared by diazotising and coupling
    • C09B33/02—Disazo dyes
    • C09B33/08—Disazo dyes in which the coupling component is a hydroxy-amino compound
    • C09B33/10—Disazo dyes in which the coupling component is a hydroxy-amino compound in which the coupling component is an amino naphthol

Landscapes

  • Chemical & Material Sciences (AREA)
  • Organic Chemistry (AREA)
FR739468D 1931-10-11 1932-07-05 Process for the production of primary disazo dyes Expired FR739468A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CH739468X 1931-10-11

Publications (1)

Publication Number Publication Date
FR739468A true FR739468A (en) 1933-01-12

Family

ID=4533023

Family Applications (1)

Application Number Title Priority Date Filing Date
FR739468D Expired FR739468A (en) 1931-10-11 1932-07-05 Process for the production of primary disazo dyes

Country Status (1)

Country Link
FR (1) FR739468A (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO1997027248A2 (en) * 1996-01-25 1997-07-31 Basf Aktiengesellschaft Acid disazo dyes as well as sulphonamides as their intermediate product

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO1997027248A2 (en) * 1996-01-25 1997-07-31 Basf Aktiengesellschaft Acid disazo dyes as well as sulphonamides as their intermediate product
WO1997027248A3 (en) * 1996-01-25 1997-08-28 Basf Ag Acid disazo dyes as well as sulphonamides as their intermediate product
US6130320A (en) * 1996-01-25 2000-10-10 Basf Aktiengesellschaft Acid disazo dyes as well as sulphonamides as their intermediate product

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