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Use of combinations gelling polysaccharides and finely divided drug carrier substrates in topical ophthalmic compositions

  • US 5,212,162 A
  • Filed: 03/25/1992
  • Issued: 05/18/1993
  • Est. Priority Date: 03/27/1991
  • Status: Expired due to Term
First Claim
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1. A topical ophthalmic composition comprising a gelling polysaccharide and a finely-divided drug carrier substrate, wherein the concentration of said gelling polysaccharide allows the composition to be administrable as a drop which gels upon instillation to the eye.

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