×

Compounds and compositions for delivering active agents

  • US 5,990,166 A
  • Filed: 02/07/1997
  • Issued: 11/23/1999
  • Est. Priority Date: 02/07/1997
  • Status: Expired due to Term
First Claim
Patent Images

1. A composition comprising:

  • (A) at least one active agent; and

    (B) a compound having the following formula ##STR201## or a salt thereof.

View all claims
  • 4 Assignments
Timeline View
Assignment View
    ×
    ×