Tricyclic compounds and method for treating allergic diseases
Patent 5432192 Issued on July 11, 1995. Estimated Expiration Date: 
October 1, 2013. 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.
October 1, 2013. 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 References5H Dibenzo (a,d) cycloheptene, 10,11 dihydro, 5(1-halo-3-dimethylaminoprop-1-ylidene) derivatives Tricyclic antidepressant conjugates with antigens and enzymes Reagents and methods for the quantification of total doxepins in biological fluids Patent #: 5332661 InventorsAssigneeApplicationNo. 122603 filed on 10/01/1993US Classes:514/450, The hetero ring has at least seven members514/454, Tricyclo ring system having the hetero ring as one of the cyclos514/510, Polycyclo ring system514/567, Benzene ring nonionically bonded549/354Polycyclo ring system having the hetero ring as one of the cyclosExaminersPrimary: Dentz, BernardAttorney, Agent or FirmInternational ClassesA61K 031/335C07D 313/12 Foreign Application Priority Data1991-04-05 JPAbstractTricyclic compounds represented by the following formula: ##STR1## wherein X represents --CH=CH--, --CH2 O--, or --O--;R1 represents a lower alkyl group,R2 represents a hydrogen atom or a lower alkyl group; andn represents an integer of from 1 to 5, pharmacologically acceptable salts thereof, and a method for preparing the same. The present compounds have anti-allergic and anti-histaminic activities and reduced side effects, and are useful as anti-allergic agents and anti-histaminic agents.Other References
Field of SearchPolycyclo ring system having the hetero ring as one of the cyclosDibenzo(b,d)pyrans (including hydrogenated) The nitrogen is in same side chain as ester function In same chain as carboxyl, or salt thereof The hetero ring has at least seven members Tricyclo ring system having the hetero ring as one of the cyclos Polycyclo ring system Benzene ring nonionically bonded |
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