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:
Mar. 13, 1990
Filed:
Feb. 17, 1987
Applicant:
Inventors:
Charles F Huebner, Chatham, NJ (US);
John E Francis, Briarcliff Manor, NY (US);
Assignee:
Ciba-Geigy Corporation, Ardsley, NY (US);
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
A61K / ;
U.S. Cl.
CPC ...
514402 ;
Abstract
Compounds of the formula ##STR1## wherein each R is hydrogen or one R is hydrogen and the other is lower alkyl, R.sub.1 is hydrogen, lower alkyl, aryl, aralkyl or lower carboalkoxy, R.sub.2 is hydrogen or lower alkyl, and the ring A is unsubstituted or substituted by lower alkyl, lower alkoxy, halo or trifluoromethyl, and pharmaceutically acceptable salts thereof, their preparation, pharmaceutical compositions and the uses thereof, such as .alpha..sub.2 -adrenergic blocking agents, e.g. antidepressants, cognition enhancers and appetite suppressants, and as intraocular pressure reducing agents are disclosed.