Abstract: A composition capable of forming a film that ionically bonds to the skin comprising one or more active agents, a nonionic or substantially nonionic first film forming component, one or more cationic surfactant and a liquid carrier.
Type:
Grant
Filed:
August 30, 2001
Date of Patent:
November 11, 2003
Assignee:
American Medical Research, Inc.
Inventors:
William S. Coury, Griscom Bettle, Berno I. Pettersson
Abstract: A composition capable of forming a film that ionically bonds to the skin comprising: one or more active agents; a nonionic or substantially nonionic first film forming component; one or more cationic surfactants comprising one or more fatty moieties that are soluble in the first film forming component; and a liquid carrier. Also provided are stable emulsions of such compositions, compositions that are especially adapted to delivering medicinal agents to the surface of the skin, and methods for preparing such compositions.
Type:
Grant
Filed:
June 25, 1999
Date of Patent:
November 11, 2003
Assignee:
American Medical Research, Inc.
Inventors:
Griscom Bettle, William S. Coury, Berno I. Pettersson