Eye drops

Eye drops

CN
  • CN 1,243,548 C
  • Filed: 09/13/2001
  • Issued: 03/01/2006
  • Est. Priority Date: 09/13/2000
  • Status: Active Grant
First Claim
Patent Images

1. one kind is suppressed 16-phenoxy group-15-deoxidation-15 in the eye drop, 15-two fluoro-17,18,19, the method that 20-four nor-dinoprost isopropyl ester containing ratios reduce is containing 16-phenoxy group-15-deoxidation-15,15-two fluoro-17,18,19, in the eye drop of 20-four nor-dinoprost isopropyl esters as active component, suppressed 16-phenoxy group-15-deoxidation-15 by adding nonionic surfactant, 15-two fluoro-17,18,19,20-four absorption of nor-dinoprost isopropyl ester on the resinae container, and, suppressed 16-phenoxy group-15-deoxidation-15,15-two fluoro-17 by cooperating antioxidant, 18,19, the decomposition of 20-four nor-dinoprost isopropyl esters, thus suppress 16-phenoxy group-15-deoxidation-15 in this eye drop, 15-two fluoro-17,18,19, the decline of 20-four nor-dinoprost isopropyl ester containing ratios.

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