Deep knowledge on
small-molecule drugs and
the 90,000 global patents
covering them

Flexible Flat-Rate Plans

Flat-rate pricing for predictable budgeting

Short-term plans for project- or client-based billing

► Plans and Pricing

DrugPatentWatch Ultimate Plan Preview

Details for Patent: 5,446,194

« Back to Dashboard

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 Claim Types:
see list of patent claims
Patent PDF download available with subscription

No matches for this query

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 Patent Family for Patent: 5,446,194

Country Document Number Publication Date Supplementary Protection Certificate SPC Country SPC Expiration
European Patent Office0444899Nov 25, 1992
Netherlands194821Apr 03, 2003
Germany69124534Mar 20, 1997
This preview shows a limited data set
Subscribe for full access, or try a Trial

Export unavailable in trial.
Subscribe for complete access.

DrugPatentWatch Archives

You are viewing the current data set
Select a link below to view the archives:

 2000   2001   2002   2003   2004   2005   2006   2007   2008   2009   2010   2011   2012   2013   2014  

For more information try a trial or see the database preview and plan comparison

Drugs may be covered by multiple patents or regulatory protections. All trademarks and applicant names are the property of their respective owners or licensors.

Although great care is taken in the proper and correct provision of this service, thinkBiotech LLC does not accept any responsibility for possible consequences of errors or omissions in the provided information. There is no warranty that the information contained herein is error free. Users of this service are advised to seek professional advice and independent confirmation before considering acting on any of the provided information. thinkBiotech LLC reserves the right to amend, extend or withdraw any part or all of the offered service without notice.

Copyright 2002-2015 thinkBiotech LLC
ISSN: 2162-2639

Preferred citation:

Friedman, Y. Location of pharmaceutical innovation: 2000–2009 Nature Reviews Drug Discovery 9, 835–836 (2010).

Connect with Social Media:

Follow DrugPatentWatch on Twitter
Connect with DrugPatentWatch on Linkedin
Drug Patents on LinkedIn