Benzopyran phenol derivates for use as antibacterial, antiviral or immunostimulating agents
Patent 5861430 Issued on January 19, 1999. Estimated Expiration Date: 
January 19, 2016. 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.
January 19, 2016. 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 References3-Alkoxyflavone antiviral agents Method for the control of mollusks Benzopyran phenol derivatives for use as antibacterial agents Patent #: 5449794 InventorAssigneeApplicationNo. 476631 filed on 06/07/1995US Classes:514/456, Bicyclo ring system having the hetero ring as one of the cyclos (e.g., chromones, etc.)549/400, Plural chalcogens bonded directly to the hetero ring549/401Chalcogen bonded directly to the ring carbon para to the ring oxygen (e.g., chromones, etc.)ExaminersPrimary: Owens, AmeliaAttorney, Agent or FirmForeign Patent References
International ClassesA61K 031/35C07D 311/76 AbstractA method of inhibiting microorganisms, including bacteria, using benzopyran phenol derivates from propolis. Propolis is extracted with an alcohol, and the resulting compounds are effective as antibacterial, antiviral or immunostimulating agents.Other References
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