FR819855A - Disazo dyes and process for their preparation - Google Patents

Disazo dyes and process for their preparation

Info

Publication number
FR819855A
FR819855A FR819855DA FR819855A FR 819855 A FR819855 A FR 819855A FR 819855D A FR819855D A FR 819855DA FR 819855 A FR819855 A FR 819855A
Authority
FR
France
Prior art keywords
preparation
disazo dyes
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.)
Kuhlmann SA
Original Assignee
Kuhlmann SA
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 Kuhlmann SA filed Critical Kuhlmann SA
Application granted granted Critical
Publication of FR819855A publication Critical patent/FR819855A/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)
FR819855D 1936-06-30 1936-06-30 Disazo dyes and process for their preparation Expired FR819855A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR819855T 1936-06-30

Publications (1)

Publication Number Publication Date
FR819855A true FR819855A (en) 1937-10-28

Family

ID=9269602

Family Applications (1)

Application Number Title Priority Date Filing Date
FR819855D Expired FR819855A (en) 1936-06-30 1936-06-30 Disazo dyes and process for their preparation

Country Status (1)

Country Link
FR (1) FR819855A (en)

Similar Documents

Publication Publication Date Title
FR755908A (en) Disazo compounds and process for their preparation
FR768098A (en) Orthodisazo dyes and their preparation process
FR798038A (en) Monoazo dyes and their preparation process
FR841081A (en) New polyazo dyes and their preparation process
FR826768A (en) Vat dyes and their preparation process
FR819856A (en) Disazo dyes and process for their preparation
FR819855A (en) Disazo dyes and process for their preparation
FR48467E (en) Disazo dyes and process for their preparation
FR791635A (en) Azo dyes and process for their preparation
FR828617A (en) Azo dyes and their preparation process
FR819964A (en) Monoazo dyes and their preparation process
FR779126A (en) Chromiferous azo dyes and process for their preparation
FR829885A (en) Azo dyes and their preparation process
FR801521A (en) Azo dyes and process for their preparation
FR814116A (en) Monoazo dyes and their preparation process
FR764949A (en) New azo dyes and process for their preparation
FR838068A (en) Azo dyes and their preparation process
FR782204A (en) Azo dyes and their preparation process
FR756808A (en) Disazo dyes and their preparation process
FR807286A (en) Disazo dyes and their preparation process
FR796465A (en) New azo dyes and their preparation process
FR789606A (en) Azo dyes and their preparation process
FR820748A (en) Mono-azo dyes and process for their preparation
FR828016A (en) Nitro dyes and their preparation process
FR754639A (en) Process for the preparation of azo dyes