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. 11, 1997
Filed:
Jan. 13, 1995
Applicant:
Inventors:
Uta-Maria Billhardt-Troughton, Raleigh, DE;
Manfred R osner, Eppstein/Taunus, DE;
Rudolph Bender, Bad Soden am Taunus, DE;
Christoph Meichsner, Liederbach, DE;
Assignee:
Hoechst Aktiengesellschaft, Frankfurt am Main, DE;
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
A61K / ; C07D / ; C07D / ; C07D / ;
U.S. Cl.
CPC ...
514312 ; 514278 ; 546 15 ; 546158 ;
Abstract
Compounds of the formula I ##STR1## and tautomeric forms thereof, of the formula Ia, ##STR2## in which the substituents R1-R4 and X and Y have the meanings given; have an antiviral activity.