FR913506A - Azo dyes containing copper and process for making such dyes - Google Patents

Azo dyes containing copper and process for making such dyes

Info

Publication number
FR913506A
FR913506A FR913506DA FR913506A FR 913506 A FR913506 A FR 913506A FR 913506D A FR913506D A FR 913506DA FR 913506 A FR913506 A FR 913506A
Authority
FR
France
Prior art keywords
dyes
making
containing copper
azo
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.)
Sandoz AG
Original Assignee
Sandoz 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 Sandoz AG filed Critical Sandoz AG
Application granted granted Critical
Publication of FR913506A publication Critical patent/FR913506A/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
    • C09B35/00—Disazo and polyazo dyes of the type A<-D->B prepared by diazotising and coupling
    • C09B35/02—Disazo dyes
    • C09B35/039—Disazo dyes characterised by the tetrazo component
    • C09B35/08—Disazo dyes characterised by the tetrazo component the tetrazo component being a derivative of biphenyl
    • C09B35/20—Disazo dyes characterised by the tetrazo component the tetrazo component being a derivative of biphenyl from two coupling compounds of different types

Landscapes

  • Chemical & Material Sciences (AREA)
  • Organic Chemistry (AREA)
FR913506D 1944-08-24 1945-08-21 Azo dyes containing copper and process for making such dyes Expired FR913506A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CH913506X 1944-08-24

Publications (1)

Publication Number Publication Date
FR913506A true FR913506A (en) 1946-09-12

Family

ID=4547634

Family Applications (1)

Application Number Title Priority Date Filing Date
FR913506D Expired FR913506A (en) 1944-08-24 1945-08-21 Azo dyes containing copper and process for making such dyes

Country Status (1)

Country Link
FR (1) FR913506A (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE915603C (en) * 1951-02-07 1954-07-26 Geigy Ag J R Process for the preparation of copper-containing disazo dyes

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE915603C (en) * 1951-02-07 1954-07-26 Geigy Ag J R Process for the preparation of copper-containing disazo dyes

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