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Film compositions for delivery of actives

  • US 8,663,687 B2
  • Filed: 05/13/2010
  • Issued: 03/04/2014
  • Est. Priority Date: 10/12/2001
  • Status: Expired due to Term
First Claim
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1. A self-supporting film composition comprising:

  • (i) a water soluble polymer composition comprising polyethylene oxide and a saccharide-based polymer; and

    (ii) a topical agent;

    wherein said topical agent is in the form of a small-scale particle selected from the group consisting of at least one type of nanoparticle, at least one type of micelle, at least one type of microdroplet, at least one type of microparticle, at least one type of liquid crystal, and combinations thereof, andwherein said small-scale particle of at least one agent is uniformly distributed in the film composition and uniformity is measured by equally sized individual unit doses which do not vary by more than 10% by weight of said small-scale particle of at least one agent from a desired dose.

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