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Serving hundreds of leading biopharmaceutical companies globally:

Daiichi Sankyo
Teva
Deloitte
Moodys
Accenture
Medtronic
Mallinckrodt
Harvard Business School
McKinsey

Generated: May 21, 2018

DrugPatentWatch Database Preview

Details for Patent: 5,446,194

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Summary for Patent: 5,446,194
Title: Pharmacologically active catechol derivatives
Abstract:A compound according to formula 1 ##STR1## wherein R.sub.1 and R.sub.2 independently represent hydrogen, carbamoyl which is substituted by an alkyl of 1 to 4 carbon atoms, alkylcarbonyl of 2 to 5 carbon atoms or phenyl carbonyl, X represents halogen nitro or cyano and R.sub.3 represents ##STR2## wherein R.sub.4 represents cyano or alkylcarbonyl of 2 to 5 carbon atoms and R.sub.5 represents carbamoyl which is unsubstituted or substituted with alkyl of 1 to 8 carbon atoms or which is substituted with hydroxyalkyl of 1 to 8 carbon atoms or pharmaceutically acceptable esters and salts thereof, and a pharmaceutically acceptable carrier therefor, as well as pharmaceutical compositions containing said compounds as COMT inhibitors.
Inventor(s): Backstrom; Reijo J. (Helsinki, FI), Heinola; Kalevi E. (Jarvempaa, FI), Honkanen; Erkki J. (Vantaa, FI), Kaakkola; Seppo K. (Helsinki, FI), Kairisalo; Pekka J. (Helsinki, FI), Linden; Inge-Britt Y. (Helsinki, FI), Mannisto; Pekka I. (Helsinki, FI), Nissinen; Erkki A. O. (Espoo, FI), Pohto; Pentti (Helsinki, FI), Pippuri; Aino K. (Espoo, FI), Pystynen; Jarmo J. (Espoo, FI)
Assignee: Orion-yhtyma Oy (Espoo, FI)
Application Number:08/121,617
Patent Litigation and PTAB cases: See patent lawsuits and PTAB cases for patent 5,446,194
Patent Claim Types:
see list of patent claims
Compound;

Drugs Protected by US Patent 5,446,194

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: 5,446,194

Foriegn Application Priority Data
Foreign Country Foreign Patent Number Foreign Patent Date
Finland864875Nov 28, 1986
United Kingdom8712437May 27, 1987

International Family Members for US Patent 5,446,194

Country Document Number Estimated Expiration Supplementary Protection Certificate SPC Country SPC Expiration
Argentina 243491 ➤ Try a Free Trial
Austria 148626 ➤ Try a Free Trial
Austria 401053 ➤ Try a Free Trial
Austria A312987 ➤ 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:

Cerilliant
Daiichi Sankyo
Baxter
Express Scripts
Merck
Federal Trade Commission
AstraZeneca
Deloitte
McKesson

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