Patents Assigned to Orasomal Technologies, Inc.
  • Novel polymerizable fatty acids, phospholipids and polymerized liposomes therefrom
    Publication number: 20020041861
    Abstract: The invention relates to an oral drug delivery system which delivers biologically active substances to the mucosal tissue of the intestine utilizing novel polymerized liposomes. Novel polymerizable fatty acids having a polymerizable group, a surfactant group, and a functional group, and optionally coupled to ligands which target mucosal tissue in the intestine are disclosed. Novel negatively charged polymerizable lipids which have phosphatidyl inositol (PI), phosphatidyl glycerol (PG) or phosphatidyl serine (PS) groups on a polymerizable backbone are also described.
    Type: Application
    Filed: December 13, 2001
    Publication date: April 11, 2002
    Applicant: Orasomal Technologies, Inc.
    Inventors: Robert N. Brey, Likan Liang
  • Polymerizable fatty acids, phospholipids and polymerized liposomes therefrom
    Patent number: 6187335
    Abstract: The invention relates to an oral drug delivery system which delivers biologically active substances to the mucosal tissue of the intestine utilizing novel polymerized liposomes. Novel polymerizable fatty acids having a polymerizable group, a surfactant group, and a functional group, and optionally coupled to ligands which target mucosal tissue in the intestine are disclosed. Novel negatively charged polymerizable lipids which have phosphatidyl inositol (PI), phosphatidyl glycerol (PG) or phosphatidyl serine (PS) groups on a polymerizable backbone are also described.
    Type: Grant
    Filed: December 31, 1997
    Date of Patent: February 13, 2001
    Assignee: Orasomal Technologies, Inc.
    Inventors: Robert N Brey, Likan Liang