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. 21, 1999
Filed:
Jun. 06, 1995
Applicant:
Inventor:
Rudolf Markstein, Rheinfelden, DE;
Assignee:
Sandoz Ltd., Basel, CH;
Primary Examiner:
Int. Cl.
CPC ...
C07D / ; A61K / ;
U.S. Cl.
CPC ...
514290 ; 546101 ;
Abstract
Compounds of formula I ##STR1## wherein A, B, R.sub.1, R.sub.2, R.sub.3 and R.sub.4 are as defined in the description, are useful for the treatment of conditions where prevention or delay of progressive atrophy of the optic nerve is desirable.