Mixtures of fluorescent whitening agents

Mixtures of fluorescent whitening agents

  • CN 1,267,598 C
  • Filed: 10/17/2000
  • Issued: 08/02/2006
  • Est. Priority Date: 10/25/1999
  • Status: Active Grant
First Claim
Patent Images

1. the mixture of a fluorescent whitening agent, it comprises the following formula:

  • compound of 39.4-59.2%

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