TW265352B - Tri-azo black dyes - Google Patents

Tri-azo black dyes

Info

Publication number
TW265352B
TW265352B TW83107831A TW83107831A TW265352B TW 265352 B TW265352 B TW 265352B TW 83107831 A TW83107831 A TW 83107831A TW 83107831 A TW83107831 A TW 83107831A TW 265352 B TW265352 B TW 265352B
Authority
TW
Taiwan
Prior art keywords
tri
azo black
black dyes
azo
see
Prior art date
Application number
TW83107831A
Other languages
Chinese (zh)
Inventor
Ren-Fang Lin
Ming-Mey Yeh
Original Assignee
Everlight Chem Ind Corp
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 Everlight Chem Ind Corp filed Critical Everlight Chem Ind Corp
Priority to TW83107831A priority Critical patent/TW265352B/en
Application granted granted Critical
Publication of TW265352B publication Critical patent/TW265352B/en

Links

Landscapes

  • Nitrogen And Oxygen Or Sulfur-Condensed Heterocyclic Ring Systems (AREA)
  • Coloring (AREA)

Abstract

A tri-azo black dye with the following formula (I) (see claim 1) in which X represents nitro group or sulfonyl group; Y and Z separately represents methyl.
TW83107831A 1994-08-26 1994-08-26 Tri-azo black dyes TW265352B (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
TW83107831A TW265352B (en) 1994-08-26 1994-08-26 Tri-azo black dyes

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
TW83107831A TW265352B (en) 1994-08-26 1994-08-26 Tri-azo black dyes

Publications (1)

Publication Number Publication Date
TW265352B true TW265352B (en) 1995-12-11

Family

ID=51402115

Family Applications (1)

Application Number Title Priority Date Filing Date
TW83107831A TW265352B (en) 1994-08-26 1994-08-26 Tri-azo black dyes

Country Status (1)

Country Link
TW (1) TW265352B (en)

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