Injectable compositions, nanoparticles useful therein, and process of manufacturing same
Patent 4107288 Issued on August 15, 1978. Estimated Expiration Date: 
September 9, 1995. 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.
September 9, 1995. 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 3242051 3436355 3447945 3565559 InventorsAssigneeApplicationNo. 05/611835 filed on 09/09/1975US Classes:424/499, Contains proteins or derivative or polysaccharides or derivative264/4.3, With treatment subsequent to solid wall formation (e.g., coating, hardening, etc.)264/4.6, Solid-walled microcapsule formed by physically removing a constituent (e.g., evaporation, extraction, etc.)424/489, Particulate form (e.g., powders, granules, beads, microcapsules, and pellets)424/500, Contains natural gums and resins427/213.3, Solid encapsulation process utilizing an emulsion or dispersion to form a solid-walled microcapsule (includes liposome)428/402.2, Microcapsule with fluid core (includes liposome)428/402.24, Microcapsule with solid core (includes liposome)514/125, Ketone or aldehyde containing977/775, Nanosized powder or flake (e.g., nanosized catalyst, etc.)977/783, Organic host/matrix (e.g., lipid, etc.)977/915Therapeutic or pharmaceutical compositionExaminersPrimary: Lovering, Richard D.Attorney, Agent or FirmInternational ClassesA61K 9/51 (20060101)B01J 13/06 (20060101) B01J 13/08 (20060101) Foreign Application Priority Data1974-09-18 AUAbstractParticles in the size range from about 10 to about 1000 nm, preferably less than about 500 nm, which comprise a crosslinked matrix of macromolecules of natural origin.A biologically or pharmacodynamically active material may be supported on or incorporated into the matrix. | |
