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Pharmaceutical coating composition and method of use

  • US 7,060,734 B1
  • Filed: 11/22/2000
  • Issued: 06/13/2006
  • Est. Priority Date: 09/09/1997
  • Status: Expired due to Fees
First Claim
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1. A composition consisting essentially of:

  • a combination of ethylcellulose and amphiphilic triblock copolymer surfactant, wherein the amphiphilic triblock copolymer surfactant consists of a triblock copolymer of ethylene oxide-propylene oxide-ethylene oxide and the composition in dry coated form includes 40 wt % to 99.5 wt % ethyl cellulose and 0.5 wt % to 60 wt % of the amphiphilic triblock copolymer surfactant; and

    a single organic solvent, wherein the ethyl cellulose and the amphipilic triblock polymer surfactant are each dissolved in the single organic solvent.

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