Patents Examined by L. S. Kishore
  • Method of producing liposomal products from freeze or spray-dried preparations of liposomes
    Patent number: 5376380
    Abstract: A method of producing liposomal products which comprises treating a positively or negatively charged, freeze- or spray-dried liposomal preparation with an aqueous solution of a drug charged oppositely to the charge of the liposomes.
    Type: Grant
    Filed: June 22, 1993
    Date of Patent: December 27, 1994
    Assignee: Daiichi Pharmaceutical Co., Ltd.
    Inventors: Hiroshi Kikuchi, Kiyoto Yachi, Hiromi Morita, Sadao Hirota