Drug adsorbates
Patent 5032393 Issued on July 16, 1991. Estimated Expiration Date: 
May 10, 2009. 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.
May 10, 2009. 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 2828207 2970053 2990332 3138525 Pharmaceutical compositions Pharmaceutical compositions Resinate sustained release dextromethorphan composition Patent #: 4788055 InventorsAssigneeApplicationNo. 349999 filed on 05/10/1989US Classes:424/78.13, Oxygen or sulfur heterocycle514/471, Nitrogen containing514/974CONTAINING DESIGNATED INGREDIENT TO REDUCE NOXIOUS EFFECTS OF ACTIVE INGREDIENT (E.G., TASTE MASKING, ODOR REDUCING, ETC.)ExaminersPrimary: Doll, JohnAssistant: Curtis, Pili Attorney, Agent or FirmForeign Patent References
International ClassesA61K 031/74A61K 031/34 A01N 043/08 Foreign Application Priority Data1988-05-11 GBAbstractThe bitter taste of ranitidine may be masked by forming an adsorbate with a synthetic cation exchange resin. The adsorbate is particularly suitable for use in pharmaceutical compositions for oral administration such as chewable or suckable tablets, granules and aqueous or non-aqueous suspensions.Other References
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