Patents by Inventor Patricio M. V. A. Soares Da Silva

Patricio M. V. A. Soares Da Silva has filed for patents to protect the following inventions. This listing includes patent applications that are pending as well as patents that have already been granted by the United States Patent and Trademark Office (USPTO).

  • Patent number: 5866566
    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 IIIH.sub.2 NOR.sup.2 (III)The compounds cited in the present invention have valuable pharmaceutical properties namely in the treatment of some disturbances in the central and peripheral nervous system.
    Type: Grant
    Filed: May 23, 1997
    Date of Patent: February 2, 1999
    Assignee: Portela & Ca., S.A.
    Inventors: Jan Benes, Patricio M.V.A. Soares Da Silva, David Alexander Learmonth
  • Patent number: 5753646
    Abstract: New compounds of general formula I, including all possible stereoisomers, are described ##STR1## wherein: R is hydrogen, alkyl, aminoalkyl, halogenalkyl, aralkyl, cycloalkyl, cycloalkylalkyl, alkoxy, phenyl or substituted phenyl or pyridyl group.A process for their preparation consists of reaction of compound II ##STR2## with an acylating agent.
    Type: Grant
    Filed: June 27, 1996
    Date of Patent: May 19, 1998
    Assignee: Portela & Ca., S.A.
    Inventors: Jan Benes, Patricio M. V. A. Soares Da Silva