(3R,4R)-Ɗ6 -tetrahydrocannabinol-7-oic acids useful as antiinflammatory agents and analgesics
Patent 5338753 Issued on August 16, 1994. Estimated Expiration Date: 
July 14, 2012. 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.
July 14, 2012. 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 ReferencesPlatelet activating factor antagonist and methods of use therefor Patent #: 4973603 InventorsAssigneeApplicationNo. 913096 filed on 07/14/1992US Classes:514/454, Tricyclo ring system having the hetero ring as one of the cyclos549/390, Dibenzo(b,d)pyrans (including hydrogenated)549/391Plural chalcogens bonded directly to the tricyclo ring systemExaminersPrimary: Chan, NickyAttorney, Agent or FirmInternational ClassesA61K 031/35C07D 311/80 AbstractNon-psychoactive derivatives of Ɗ6 -THC-7-oic acid are described which have analgesic and anti-inflammatory properties.Other References
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