Dye mixtures

Dye mixtures

CN
  • CN 1,257,234 C
  • Filed: 06/18/2004
  • Issued: 05/24/2006
  • Est. Priority Date: 06/18/2004
  • Status: Active Grant
First Claim
Patent Images

1. , a kind of dye mixture, this dye mixture comprise the dyes of anthraquinone or its esters of formula (I);

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