The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.
The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.
Patent No.:
Date of Patent:
Feb. 01, 1994
Filed:
Dec. 07, 1992
Applicant:
Inventors:
Reijo J Backstrom, Helsinki, FI;
Kalevi E Heinola, Jarvempaa, FI;
Erkki J Honkanen, Vantaa, FI;
Seppo K Kaakkola, Helsinki, FI;
Pekka J Kairisalo, Helsinki, FI;
Inge-Britt Y Linden, Helsinki, FI;
Pekka I Mannisto, Helsinki, FI;
Erkki A Nissinen, Espoo, FI;
Pentti Pohto, Helsinki, FI;
Aino K Pippuri, Espoo, FI;
Jarmo J Pystynen, Espoo, FI;
Assignee:
Orion-yhtyma Oy, Espoo, FI;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
C07C / ; C07C / ; C07C / ; C07C / ;
U.S. Cl.
CPC ...
558401 ; 558405 ; 558406 ; 558411 ; 558414 ; 558416 ; 558418 ; 558419 ; 558423 ; 560 20 ; 560 24 ; 560 25 ; 560 26 ; 560 29 ; 560 55 ; 560 75 ; 560106 ; 560130 ; 560132 ; 560138 ; 560142 ; 560144 ; 562434 ; 562465 ; 562478 ; 564166 ; 564169 ; 564170 ; 568306 ; 568308 ; 568706 ; 568711 ; 544167 ; 544391 ; 546180 ; 546208 ; 546230 ; 546334 ;
Abstract
Catechol compounds of formula I ##STR1## where R.sub.1, R.sub.2, R.sub.3 and X are as described herein are effective Catechol-O-methyltransferase inhibitors.