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Serving hundreds of leading biopharmaceutical companies globally:

Teva
McKinsey
Chubb
QuintilesIMS
Fuji
Dow
Fish and Richardson
Accenture
Mallinckrodt

Generated: June 24, 2018

DrugPatentWatch Database Preview

Details for Patent: 4,871,865

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Summary for Patent: 4,871,865
Title: Tricyclic aromatic compounds
Abstract:The present invention relates to compounds of formula I ##STR1## or a salt, ester or amide thereof; wherein R.sup.1 is --CH.sub.2 --CH.sub.2 --, CH.sub.2 --O-- or --O--CH.sub.2 --; R.sup.2 and R.sup.3 are the same or different and are each hydrogen, C.sub.1-4 alkyl or taken together with the nitrogen comprise a nitrogen-containing heterocyclic ring having four to six ring members; R.sup.4 is a single bond or a C.sub.1-7 bivalent aliphatic hydrocarbon group and may be joined to the aromatic ring system at the 2,3,8 or 9 positions; n is 0 to 3, and their use as anithistamine and antiasthma agents.
Inventor(s): Lever, Jr.; O. William (Skillman, NJ), Leighton; Harry J. (Chapel Hill, NC)
Assignee: Burroughs Wellcome Co. (Research Triangle Park, NC)
Application Number:06/894,306
Patent Litigation and PTAB cases: See patent lawsuits and PTAB cases for patent 4,871,865
Patent Claim Types:
see list of patent claims
Compound;

Drugs Protected by US Patent 4,871,865

Applicant Tradename Generic Name Dosage NDA Approval Date TE Type RLD RS Patent No. Patent Expiration Product Substance Delist Req. Patented / Exclusive Use Patent Submitted
Applicant Tradename Generic Name Dosage NDA Approval Date TE Type RLD RS Patent No. Patent Expiration Product Substance Delist Req. Patented / Exclusive Use Patent Submitted

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Foreign Priority and PCT Information for Patent: 4,871,865

Foriegn Application Priority Data
Foreign Country Foreign Patent Number Foreign Patent Date
United Kingdom8520662Aug 17, 1985

International Family Members for US Patent 4,871,865

Country Document Number Estimated Expiration Supplementary Protection Certificate SPC Country SPC Expiration
Austria 125535 ➤ Try a Free Trial
Austria 51867 ➤ Try a Free Trial
Austria 97401 ➤ Try a Free Trial
Germany 3650357 ➤ Try a Free Trial
Country Document Number Estimated Expiration Supplementary Protection Certificate SPC Country SPC Expiration

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Serving hundreds of leading biopharmaceutical companies globally:

Harvard Business School
Cerilliant
US Army
Daiichi Sankyo
Boehringer Ingelheim
Argus Health
Dow
Deloitte
Covington

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