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| Number | Title | Issue Date |
| 4937078 | Liposomal local anesthetic and analgesic products Liposome encapsulated local anesthetic or analgesic agents when applied to skin or mucous membranes provided greater local anesthesia and analgesia than the same agents incorporated in conventional vehicles i.e., ointment, cream or lotion.... | 06/26/1990 |
| 4897269 | Administration of drugs with multiphase liposomal delivery system A method for administering a slightly water soluble biologically active compound by topically applying a pharmaceutical composition containing: (a) lipid vesicles with a biologically active compound captured therein; (b) a saturated solution of the biologically act... | 01/30/1990 |
| 4761288 | Multiphase liposomal drug delivery system The present invention provides a novel multiphase drug delivery system which comprises: (a) lipid vesicles with a biologically active compound captured therein; (b) a saturated solution of the biologically active compound; and (c) the biologically active compound i... | 08/02/1988 |
