Liposomes and their use in treating human or other mammalian patients
Patent 4448765 Issued on May 15, 1984. Estimated Expiration Date: 
May 15, 2001. 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.
May 15, 2001. 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 References 3082154 Method of preparing a controlled release liquid pharmaceutical composition Process for the preparation of liposomes Patent #: 4089801 InventorsAssigneeApplicationNo. 06/054649 filed on 07/03/1979US Classes:424/450, Liposomes264/4.7, Solid-walled microcapsule formed by in situ polymerization424/1.21, Molecular bilayer structure (e.g., vesicle, liposome)424/209.1, Orthomyxoviridae (e.g., influenza virus, fowl plague virus, etc.)424/210.1, Subunit vaccine containing hemagglutinin or neuraminidase424/812, LIPOSOME COMPRISING AN ANTIBODY, ANTIBODY FRAGMENT, ANTIGEN, OR OTHER SPECIFIC OR NONSPECIFIC IMMUNOEFFECTOR424/94.3, Stabilized enzymes or enzymes complexed with nonenzyme (e.g., liposomes, etc.)428/402.22, Addition polymer from unsaturated monomers only436/829, LIPOSOMES (E.G., ENCAPSULATION, ETC.)514/179, Modified C-ring (except methyl in 13-position) (e.g., double bond containing, substituted, etc.)514/3Insulin or derivativeExaminersPrimary: Lovering, Richard D.Attorney, Agent or FirmInternational ClassA61K 9/127 (20060101)Foreign Application Priority Data1978-07-03 GBAbstractMicrovesicles are stabilized by the incorporation of a polymer having aliphatic lipophilic groups with a chain of at least six atoms attached to the backbone thereof. Such microvesicles may incorporate a physiologically active substance such as an antigenic material, an anti-inflammatory agent, a hormone, etc.Other References
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