FR818154A - Azo dyes and their production process - Google Patents

Azo dyes and their production process

Info

Publication number
FR818154A
FR818154A FR818154DA FR818154A FR 818154 A FR818154 A FR 818154A FR 818154D A FR818154D A FR 818154DA FR 818154 A FR818154 A FR 818154A
Authority
FR
France
Prior art keywords
production process
azo dyes
azo
dyes
production
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 FR818154A publication Critical patent/FR818154A/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
    • C09B35/16—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-amines

Landscapes

  • Chemical & Material Sciences (AREA)
  • Organic Chemistry (AREA)
FR818154D 1936-02-21 1937-02-20 Azo dyes and their production process Expired FR818154A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE818154X 1936-02-21

Publications (1)

Publication Number Publication Date
FR818154A true FR818154A (en) 1937-09-20

Family

ID=6735374

Family Applications (1)

Application Number Title Priority Date Filing Date
FR818154D Expired FR818154A (en) 1936-02-21 1937-02-20 Azo dyes and their production process

Country Status (1)

Country Link
FR (1) FR818154A (en)

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE744304C (en) * 1940-10-27 1944-06-13 Ig Farbenindustrie Ag Process for the preparation of asymmetrical disazo dyes
US2507754A (en) * 1946-08-02 1950-05-16 Geigy Ag J R Polyazo dyestuffs
DE751299C (en) * 1935-04-06 1953-01-19 Chemische Ind Ges Process for dyeing cellulose fibers
DE752164C (en) * 1941-06-08 1953-02-23 Ig Farbenindustrie Ag Process for the preparation of tetrakisazo dyes

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE751299C (en) * 1935-04-06 1953-01-19 Chemische Ind Ges Process for dyeing cellulose fibers
DE744304C (en) * 1940-10-27 1944-06-13 Ig Farbenindustrie Ag Process for the preparation of asymmetrical disazo dyes
DE752164C (en) * 1941-06-08 1953-02-23 Ig Farbenindustrie Ag Process for the preparation of tetrakisazo dyes
US2507754A (en) * 1946-08-02 1950-05-16 Geigy Ag J R Polyazo dyestuffs

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