Prazosin-pirbuterol combination for bronchodilation
Patent 4601897 Issued on July 22, 1986. Estimated Expiration Date: 
November 6, 2005. 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.
November 6, 2005. 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 3511836 3700681 3786160 Novel crystalline forms of prazosin hydrochloride Method for treating congestive heart failure Method for producing 6,7-dimethoxy-4-amino-2-[4-(2-furoyl)-1-piperazinyl] q u N-[1-(4-Amino-6,7-dialkoxy-2-quinazolinyl)-4-piperidy l]-oxazolidine-2,4-diones Patent #: 4539323 InventorApplicationNo. 06/795689 filed on 11/06/1985US Classes:424/45, Organic pressurized fluid514/252.17The polycyclo ring system is quinazoline (including hydrogenated)ExaminersPrimary: Robinson, Douglas W.Attorney, Agent or FirmInternational ClassA61K 31/505 (20060101)AbstractA method for relaxing bronchial tissue in mammals, including humans, by use of a combination of prazosin and pirbuterol or their pharmaceutically acceptable acid addition salts.Other References
| |
