Black reactive dyestuff and preparation method thereof

Black reactive dyestuff and preparation method thereof

  • CN 101,235,217 B
  • Filed: 01/22/2008
  • Issued: 12/19/2012
  • Est. Priority Date: 01/22/2008
  • Status: Active Grant
First Claim
Patent Images

1. a black and active dye is characterized in that, has following general structure

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