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:
Sep. 23, 1980
Filed:
Oct. 30, 1978
Otto Hromatka, Vienna, AT;
Dieter Binder, Vienna, AT;
Rudolf Pfister, Basel, CH;
Paul Zeller, Allschwil, CH;
Hoffmann-La Roche Inc., Nutley, NJ (US);
Abstract
The present invention relates to compounds of the formula ##STR1## wherein A together with the two carbon atoms to which it is attached forms the group ##STR2## and the broken line represents the double bond in group (a); R.sub.1 represents a lower alkyl group; R.sub.2 represents the residue of an aromatic heterocyclic ring containing from 1 to 4 hetero atoms, which may be substituted by one or two lower alkyl groups, or a phenyl group which may be substituted by halogen, hydroxy, lower alkyl, trifluoromethyl or lower alkoxy and R.sub.3 and R.sub.4 each represent a hydrogen atom or a lower alkyl group. Also provided are methods for their preparation. The thienothiazine derivatives provided by this invention have anti-flammatory, analgesic and anti-rheumatic activity.