Artificial surfactants, pharmaceutical compositions containing them and use thereof
Patent 4765987 Issued on August 23, 1988. Estimated Expiration Date: 
August 25, 2006. 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.
August 25, 2006. 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 ReferencesMeans of preparation and applications of liposomes containing high concentrations of entrapped ionic species Lung surfactant compositions Process for making lipid membrane structures Method for encapsulating materials into liposomes Process for preparing liposome composition Patent #: 4673567 InventorsAssigneeApplicationNo. 06/899656 filed on 08/25/1986US Classes:424/450, Liposomes128/203.12, Means for mixing treating agent with respiratory gas128/207.14, Respiratory gas supply means enters mouth or tracheotomy incision264/4.6, Solid-walled microcapsule formed by physically removing a constituent (e.g., evaporation, extraction, etc.)428/402.2, Microcapsule with fluid core (includes liposome)436/829, LIPOSOMES (E.G., ENCAPSULATION, ETC.)514/78LecithinsExaminersPrimary: Lovering, Richard D.Attorney, Agent or FirmInternational ClassesA61K 9/127 (20060101)A61K 9/00 (20060101) C11D 1/88 (20060101) Foreign Application Priority Data1985-08-30 FRAbstractNew artificial surfactants composed of dipalmitoylphosphatidylcholine, distearoylphosphatidylcholine and soya lecithin and pharmaceutical compositions containing them, which can be used to replace deficient endogenous pulmonary surfactant. |
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