Abuse resistant pharmaceutical compositions

  • US 9,713,611 B2
  • Filed: 06/03/2016
  • Issued: 07/25/2017
  • Est. Priority Date: 09/12/2014
  • Status: Active Grant
First Claim
Patent Images

1. An oral pharmaceutical composition comprising:

  • a first population of beads comprising hydrocodone or a pharmaceutically acceptable salt thereof, wherein the first population of beads is substantially free of polyethylene oxide; and

    a second population of beads comprising polyethylene oxide and a permeable or semi-permeable coating, wherein the second population of beads is substantially free of any pharmaceutically active ingredient.

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