Phenidate drug formulations having diminished abuse potential

  • US 6,355,656 B1
  • Filed: 05/25/1999
  • Issued: 03/12/2002
  • Est. Priority Date: 12/04/1995
  • Status: Expired due to Term
First Claim
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1. A pharmaceutical unit dosage comprising from about 1 to about 50 milligrams of D-threo-methylphenidate or a pharmaceutically acceptable salt thereof said dosage having less than 10% by weight of other stereoisomers of methylphenidate or the salt thereof.

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