Spray-chilled nabumetone
Patent 5539000 Issued on July 23, 1996. Estimated Expiration Date: 
July 23, 2013. 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.
July 23, 2013. 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 ReferencesPreparation of melt-sprayed spherical phenacetin granules Aromatic compounds Patent #: 4420639 InventorAssigneeApplicationNo. 030331 filed on 02/22/1993US Classes:514/682Naphthyl ring systemExaminersPrimary: Cintins, Marianne M.Assistant: MacMillan, Keith D. Attorney, Agent or FirmForeign Patent References
International ClassA61K 031/12Foreign Application Priority Data1992-01-29 GBAbstractNabumetone which is spray-chilled and formulated into unit dose forms which have a smaller volume than was previously possible.Other References
Field of SearchNaphthyl ring system | |
