Pigmented 1-naphtholsulphonic acid-based monoazo pigments

Pigmented 1-naphtholsulphonic acid-based monoazo pigments

  • CN 100,425,656 C
  • Filed: 07/27/2002
  • Issued: 10/15/2008
  • Est. Priority Date: 08/14/2001
  • Status: Active Grant
First Claim
Patent Images

1. the compound of general formula (1)

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