FR650688A - Production de colorants azoïques - Google Patents

Production de colorants azoïques

Info

Publication number
FR650688A
FR650688A FR650688DA FR650688A FR 650688 A FR650688 A FR 650688A FR 650688D A FR650688D A FR 650688DA FR 650688 A FR650688 A FR 650688A
Authority
FR
France
Prior art keywords
production
azo dyes
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
English (en)
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 FR650688A publication Critical patent/FR650688A/fr
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

Landscapes

  • Chemical & Material Sciences (AREA)
  • Organic Chemistry (AREA)
  • Coloring (AREA)
  • Cosmetics (AREA)
FR650688D 1927-03-10 1928-03-09 Production de colorants azoïques Expired FR650688A (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE286717X 1927-03-10

Publications (1)

Publication Number Publication Date
FR650688A true FR650688A (fr) 1929-01-11

Family

ID=6059135

Family Applications (1)

Application Number Title Priority Date Filing Date
FR650688D Expired FR650688A (fr) 1927-03-10 1928-03-09 Production de colorants azoïques

Country Status (3)

Country Link
US (1) US1851121A (fr)
FR (1) FR650688A (fr)
GB (1) GB286717A (fr)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2476260A (en) * 1946-04-11 1949-07-12 Ciba Ltd Process for the manufacture of disazo-dyestuffs
US2476261A (en) * 1946-04-11 1949-07-12 Ciba Ltd Process for the manufacture of asymmetrical polyazo-dyestuffs

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2705707A (en) * 1951-08-31 1955-04-05 Sandoz Ag Copper-containing trisazo dyestuffs
US2835662A (en) * 1955-06-03 1958-05-20 Saul & Co Copperable polyazo dyestuffs

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2476260A (en) * 1946-04-11 1949-07-12 Ciba Ltd Process for the manufacture of disazo-dyestuffs
US2476261A (en) * 1946-04-11 1949-07-12 Ciba Ltd Process for the manufacture of asymmetrical polyazo-dyestuffs

Also Published As

Publication number Publication date
GB286717A (en) 1929-06-04
US1851121A (en) 1932-03-29

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