Patents by Inventor Manuel Grau Mateo

Manuel Grau Mateo 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).

  • 1N substituted pyrazino[2,3-c]-1,2,6-thiadiazine 2,2-dioxides
    Patent number: 5580869
    Abstract: 1N substituted pyrazino[2,3-c]-1,2,6-thiadiazine 2,2-dioxides of formula I ##STR1## where: R.sub.1 and R.sub.2, which may be the same or different, are members of the group formed by hydrogen, straight or branched chain alkyl, aryl, trifluoromethyl, halogen, oxo, amino, carboxamido and alkoxycarbonyl;R.sub.3 is a member of the group formed by straight or branched chain alkyl, dialkylaminoethyl, aralkyl, alkoxycarbonylmethyl, carboxymethyl and hydroxyethyl; andR.sub.4 and R.sub.5, which may be the same or different, are members of the group formed by hydrogen, straight or branched chain alkyl and aralkyl, hydroxyalkyl, amino, aminoalkyl, alkylaminoalkyl; and a process for the preparation thereof.
    Type: Grant
    Filed: July 16, 1993
    Date of Patent: December 3, 1996
    Assignees: Prodesfarma, S.A., Consejo Superior de Investigaciones Cientificas
    Inventors: Pilar G. Laza, Juan A. Paez Prosper, Emilio Carrasco Yufera, Manuel Grau Mateo