Sughrue, Mion, Zinn, Macpeak & Seas, PLLC
Liposomal products
 A liposomal aqueous dispersion and method of making the liposomal aqueous dispersion is useful for encapsulation of drugs. The liposomal aqueous dispersion comprises: an aqueous suspension medium; multilamellar liposomes comprising an anionic phospholipid and cholesterol as essential components; neutral phospholipid in a mole ratio of 0 to 40% based on the total amount of said multilamellar liposomes; and a cation moiety-containing water-soluble drug, wherein the electrolyte concentration of said aqueous suspension medium is not more than 40 mM. 
Daiichi Pharmaceutical Co., Ltd.
A
A61K
inventional
Sadao Hiroshi Kiyoto
Hirota Kikuchi Yachi