Pharmaceutical formulation in the form of aqueous suspension
Patent 5334378 Issued on August 2, 1994. Estimated Expiration Date: 
March 26, 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.
March 26, 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 References2697059 InventorsAssigneeApplicationNo. 037360 filed on 03/26/1993US Classes:424/78.1, Ion exchange resin424/78.12, Adsorbate or treating agent contains nitrogen521/28Previously formed solid ion-exchange polymer admixed with nonreactive material or ion-exchange polymerExaminersPrimary: Page, Thurman K.Assistant: Kulkosky, Peter F. Attorney, Agent or FirmForeign Patent References
International ClassesA61K 009/08A61K 031/74 A61K 031/95 Foreign Application Priority Data1992-04-02 JPAbstractA pharmaceutical formulation in the form of aqueous suspension which comprises an ion exchange resin carrying an active ingredient and a suspending agent, characterized in that the formulation further contains a basic or neutral amino acid or a salt thereof as a dispersion stabilizer. | |
