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US Patent 4370313 - Nitrofurantoin dosage form
US Patent Issued on January 25, 1983
Estimated Patent Expiration Date:
October 26, 2001Estimated 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.
Estimated Patent Expiration Date:
October 26, 2001Estimated 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.AbstractA nitrofurantoin dosage form comprising a nitrofurantoin salt and excipients therefor enterically coated with an acrylic resin is described.Other References
| InventorAssigneeApplicationNo. 06/314656 filed on 10/26/1981US Classes:424/482, Containing solid synthetic polymers424/476Containing waxes, higher fatty acids, higher fatty alcohols, or derivatives thereof (e.g., chocolate)ExaminersPrimary: Rose, Shep K.Attorney, Agent or FirmUS Patent References3577512, 3641237, 3775537, 3926188, 3954959, Oral drug preparationsIssued on: 05/04/1976 Inventor: Pedersen4060598, Tablets coated with aqueous resin dispersions Issued on: 11/29/1977 Inventor: Groppenbacher , et al.4083949, New oral form of medicament and a method for producing it Issued on: 04/11/1978 Inventor: Benedikt4122157, Nitrofurantoin sustained release tablet Issued on: 10/24/1978 Inventor: Huber4177256, Osmotic bursting drug delivery device Issued on: 12/04/1979 Inventor: Michaels , et al.4193985, Multiple-units drug dose Issued on: 03/18/1980 Inventor: Bechgaard , et al.4289795Method for preparing preparations having controlled release of an active component Issued on: 09/15/1981 Inventor: Bogentoft , et al. International ClassesA61K 9/28 (20060101)A61K 31/415 (20060101) |
