FR499764A - Manufacturing process for new yellow disazo dyes - Google Patents

Manufacturing process for new yellow disazo dyes

Info

Publication number
FR499764A
FR499764A FR499764A FR499764DA FR499764A FR 499764 A FR499764 A FR 499764A FR 499764 A FR499764 A FR 499764A FR 499764D A FR499764D A FR 499764DA FR 499764 A FR499764 A FR 499764A
Authority
FR
France
Prior art keywords
manufacturing process
disazo dyes
new yellow
yellow disazo
new
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
FR499764A
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.)
Individual
Original Assignee
Individual
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 Individual filed Critical Individual
Application granted granted Critical
Publication of FR499764A publication Critical patent/FR499764A/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
    • C09B35/10—Disazo dyes characterised by the tetrazo component the tetrazo component being a derivative of biphenyl from two coupling components of the same type
    • C09B35/14—Disazo dyes characterised by the tetrazo component the tetrazo component being a derivative of biphenyl from two coupling components of the same type from hydroxy compounds

Landscapes

  • Chemical & Material Sciences (AREA)
  • Organic Chemistry (AREA)
FR499764A 1919-04-11 1919-05-17 Manufacturing process for new yellow disazo dyes Expired FR499764A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CH499764X 1919-04-11

Publications (1)

Publication Number Publication Date
FR499764A true FR499764A (en) 1920-02-21

Family

ID=1534746

Family Applications (1)

Application Number Title Priority Date Filing Date
FR499764A Expired FR499764A (en) 1919-04-11 1919-05-17 Manufacturing process for new yellow disazo dyes

Country Status (1)

Country Link
FR (1) FR499764A (en)

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