FR863421A - Colorants bruns polyazoïques et leur procédé de fabrication - Google Patents

Colorants bruns polyazoïques et leur procédé de fabrication

Info

Publication number
FR863421A
FR863421A FR863421DA FR863421A FR 863421 A FR863421 A FR 863421A FR 863421D A FR863421D A FR 863421DA FR 863421 A FR863421 A FR 863421A
Authority
FR
France
Prior art keywords
manufacturing process
brown dyes
polyazo
polyazo brown
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.)
Novartis AG
Original Assignee
JR Geigy 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 JR Geigy AG filed Critical JR Geigy AG
Application granted granted Critical
Publication of FR863421A publication Critical patent/FR863421A/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
    • C09B33/00—Disazo and polyazo dyes of the types A->K<-B, A->B->K<-C, or the like, prepared by diazotising and coupling
    • C09B33/18—Trisazo or higher polyazo dyes
    • C09B33/22—Trisazo dyes of the type A->B->K<-C
    • 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
    • C09B33/00—Disazo and polyazo dyes of the types A->K<-B, A->B->K<-C, or the like, prepared by diazotising and coupling
    • C09B33/18—Trisazo or higher polyazo dyes
    • 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
    • C09B35/38—Trisazo dyes ot the type
    • C09B35/44—Trisazo dyes ot the type the component K being a hydroxy amine

Landscapes

  • Chemical & Material Sciences (AREA)
  • Organic Chemistry (AREA)
  • Coloring (AREA)
FR863421D 1939-02-15 1940-02-14 Colorants bruns polyazoïques et leur procédé de fabrication Expired FR863421A (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CH536159X 1939-02-15

Publications (1)

Publication Number Publication Date
FR863421A true FR863421A (fr) 1941-04-01

Family

ID=4518779

Family Applications (1)

Application Number Title Priority Date Filing Date
FR863421D Expired FR863421A (fr) 1939-02-15 1940-02-14 Colorants bruns polyazoïques et leur procédé de fabrication

Country Status (5)

Country Link
US (1) US2276169A (fr)
CH (6) CH215047A (fr)
FR (1) FR863421A (fr)
GB (1) GB536159A (fr)
NL (1) NL53623C (fr)

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
NL85076C (fr) * 1951-12-22
NL84200C (fr) * 1951-12-24
NL222671A (fr) * 1956-11-28

Also Published As

Publication number Publication date
CH215048A (de) 1941-05-31
GB536159A (en) 1941-05-05
US2276169A (en) 1942-03-10
CH212642A (de) 1940-12-15
CH215047A (de) 1941-05-31
NL53623C (fr)
CH215050A (de) 1941-05-31
CH215046A (de) 1941-05-31
CH215049A (de) 1941-05-31

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