Lipid membrane drug delivery
Patent 4377567 Issued on March 22, 1983. Estimated Expiration Date: 
March 22, 2000. Estimated Expiration Date is calculated based on simple USPTO term provisions. It does not account for terminal disclaimers, term adjustments, failure to pay maintenance fees, or other factors which might affect the term of a patent.
March 22, 2000. Estimated Expiration Date is calculated based on simple USPTO term provisions. It does not account for terminal disclaimers, term adjustments, failure to pay maintenance fees, or other factors which might affect the term of a patent.Patent ReferencesMethod for incorporating substances into protein microspheres Moisturizing units and moisturizing compositions containing the same Patent #: 3957971 InventorAssigneeApplicationNo. 06/075310 filed on 09/13/1979US Classes:424/1.21, Molecular bilayer structure (e.g., vesicle, liposome)424/450, Liposomes424/85.4, Interferon427/213.3, Solid encapsulation process utilizing an emulsion or dispersion to form a solid-walled microcapsule (includes liposome)514/4, With an additional active ingredient514/78LecithinsExaminersPrimary: Lovering, Richard D.Attorney, Agent or FirmInternational ClassesA61K 9/127 (20060101)A61K 38/21 (20060101) A61K 38/28 (20060101) A61K 51/12 (20060101) AbstractLipid Membrane Structures comprising Digalactosyl Diglyceride target the liver of humans and lower animals and are used to carry drugs to that organ, preferentially. Digalactosyl Diglyceride LMS containing insulin provide an effective means for treating diabetes mellitus. Digalactosyl Diglyceride LMS containing interferon are used to treat viral hepatitis.Other References
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