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. 02, 1999
Filed:
May. 23, 1997
Applicant:
Inventors:
Jan Benes, Porto, PT;
Patricio MV.A. Soares Da Silva, Porto, PT;
David Alexander Learmonth, Maia, PT;
Assignee:
Portela & Ca., S.A., Porto, PT;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
A61K / ; C07D / ;
U.S. Cl.
CPC ...
514217 ; 540589 ;
Abstract
Compounds of general formula I are described ##STR1## as is a process for their preparation which consists of reacting a compound of formula II ##STR2## with hydroxylamine or its derivatives of formula III