Coated particles, methods of making and using
August 16, 2020. 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 ReferencesMicro-capsules Antithrombogenic article containing lysozyme and heparin adsorbed on a substrate Sustained release compositions for treating periodontal disease Method and composition for controlled delivery of biologically active agents Method of preparing controlled-release preparations for biologically active materials and resulting compositions Implant material composition, preparation thereof as well as uses thereof and implant product obtainable therefrom Sustained release compositions for treating periodontal disease Controlled release composition for a biologically active material dissolved or dispersed in an L2-phase Particles, method of preparing said particles and uses thereof Method of preparing controlled-release preparations for biologically active materials and resulting compositions Patent #: 5753259 InventorAssigneeApplicationNo. 297997 filed on 08/16/2000US Classes:428/402.24, Microcapsule with solid core (includes liposome)424/422, Implant or insert424/426, Errodable, resorbable, or dissolving424/450LiposomesExaminersPrimary: Boykin, Terressa M.Attorney, Agent or FirmForeign Patent References
International ClassB32B 015/02AbstractA particle coated with a nonlamellar crystalline material includes an internal matrix core having at least one nanostructured liquid phase, or at least one nanostructured liquid crystalline phase or a combination of the two is used for the delivery of active agents such as pharmaceuticals, nutrients, pesticides, etc. The coated particle can be fabricated by a variety of different techniques where the exterior coating is a nonlamellar crystalline material. | |
