Title: Long-Circulating Liposomal Compositions. Number: 20050002999. Filed: June 4, 2004. Lead Inventor: Rahul Mehta, Isis Pharmaceuticals.
According to the patent application’s abstract, the invention is “a liposome comprising about 1 [to] 25 mol [percent] of a phosphatidylglycerol component and about 38 [to] 62 mol [percent] of a phosphatidylcholine component. In some embodiments, the liposomes further comprise a sterol component, for example a cholesterol.”