FR1384423A - Process for preparing brown dyes for leather - Google Patents

Process for preparing brown dyes for leather

Info

Publication number
FR1384423A
FR1384423A FR965222A FR965222A FR1384423A FR 1384423 A FR1384423 A FR 1384423A FR 965222 A FR965222 A FR 965222A FR 965222 A FR965222 A FR 965222A FR 1384423 A FR1384423 A FR 1384423A
Authority
FR
France
Prior art keywords
leather
brown dyes
preparing brown
preparing
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
FR965222A
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.)
Filmfabrik Wolfen VEB
Original Assignee
Filmfabrik Wolfen VEB
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 Filmfabrik Wolfen VEB filed Critical Filmfabrik Wolfen VEB
Priority to FR965222A priority Critical patent/FR1384423A/en
Application granted granted Critical
Publication of FR1384423A publication Critical patent/FR1384423A/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
    • C09B33/00—Disazo and polyazo dyes of the types A->K<-B, A->B->K<-C, or the like, prepared by diazotising and coupling
    • C09B33/02—Disazo dyes
    • C09B33/04—Disazo dyes in which the coupling component is a dihydroxy or polyhydroxy compound
    • 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
    • C09B45/00—Complex metal compounds of azo dyes
    • C09B45/02—Preparation from dyes containing in o-position a hydroxy group and in o'-position hydroxy, alkoxy, carboxyl, amino or keto groups
    • C09B45/24—Disazo or polyazo compounds
    • C09B45/32—Disazo or polyazo compounds containing other metals

Landscapes

  • Chemical & Material Sciences (AREA)
  • Organic Chemistry (AREA)
FR965222A 1964-02-26 1964-02-26 Process for preparing brown dyes for leather Expired FR1384423A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
FR965222A FR1384423A (en) 1964-02-26 1964-02-26 Process for preparing brown dyes for leather

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR965222A FR1384423A (en) 1964-02-26 1964-02-26 Process for preparing brown dyes for leather

Publications (1)

Publication Number Publication Date
FR1384423A true FR1384423A (en) 1965-01-04

Family

ID=8824104

Family Applications (1)

Application Number Title Priority Date Filing Date
FR965222A Expired FR1384423A (en) 1964-02-26 1964-02-26 Process for preparing brown dyes for leather

Country Status (1)

Country Link
FR (1) FR1384423A (en)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE1544376B1 (en) * 1965-06-12 1970-08-20 Basf Ag Copper and iron complexes of disazo dyes and their preparation
DE2806950A1 (en) * 1978-02-18 1979-08-23 Bayer Ag IRON COMPLEX AZO DYES

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE1544376B1 (en) * 1965-06-12 1970-08-20 Basf Ag Copper and iron complexes of disazo dyes and their preparation
DE2806950A1 (en) * 1978-02-18 1979-08-23 Bayer Ag IRON COMPLEX AZO DYES

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