Piperazinyl derivatives of quinoline carboxylic acids
Patent 4146719 Issued on March 27, 1979. Estimated Expiration Date: 
February 16, 1998. 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.
February 16, 1998. 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 ReferencesPiperazine derivatives Patent #: 4017622 InventorAssigneeApplicationNo. 05/878600 filed on 02/16/1978US Classes:544/363, Quinoline or isoquinoline (including hydrogenated)546/156Having -C(=X)-, wherein X is chalcogen, bonded directly to the six-membered hetero ringExaminersPrimary: Coughlan, Paul M. Jr.Attorney, Agent or FirmInternational ClassesC07D 215/00 (20060101)C07D 215/56 (20060101) Foreign Application Priority Data1977-05-16 JPAbstractThis invention relates to new compounds of value as antibacterial agent. More particularly, it relates to piperazinyl derivatives of quinoline carboxylic acids, the hydrates, and the acid addition salts thereof.Field of SearchQuinoline or isoquinoline (including hydrogenated) |
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