U.S. Patent: 9,421,270
Issued: August 23, 2016
Title: Surfactant-copolymer complexes useful for sustained drug release
Inventor: Guruswamy; Kumaraswamy (Maharashtra, IN), Edakkal; Venugopal (Maharashtra, IN)
The invention discloses a surfactant-copolymer complex for delivery of hydrophobic compounds in sustained release; wherein the surfactant is a non-ionic surfactant; and copolymer is poly (maleic acid-alt-vinyl methyl ether). The present invention also provides a process for preparation of the surfactant-copolymer complex.