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Compounds and compositions for delivering active agents

  • US 5,955,503 A
  • Filed: 02/06/1997
  • Issued: 09/21/1999
  • Est. Priority Date: 04/22/1993
  • Status: Expired due to Term
First Claim
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1. A composition comprising:

  • (A) at least one active agent; and

    (B) a compound having the following formula ##STR8## or a salt thereof.

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