Patents by Inventor Angelo Sagrada

Angelo Sagrada 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).

  • Oxadiazoles, processes for their preparation and their use as medicaments
    Patent number: 6277872
    Abstract: The invention relates to oxadiazole derivatives of general formula (I) wherein X, Y, Z and R1 are defined as described in the specification and claims, processes for preparing them and their use as pharmaceutical compositions.
    Type: Grant
    Filed: July 26, 1999
    Date of Patent: August 21, 2001
    Assignee: Boehringer Ingelheim KG
    Inventors: Michael Brenner, Roland Maier, Marion Wienrich, Thomas Weiser, Rainer Palluk, Wolf-Dietrich Bechtel, Angelo Sagrada, Helmut Ensinger, Uwe Pschorn, Raffaele Cesana
  • Di-substituted 1,4-piperidine esters and amides having 5-HT4 antagonistic activity
    Patent number: 6002009
    Abstract: Pharmacologically active novel esters and amides of di-substituted 1,4 piperidine as 5-HT.sub.4 antagonists of formula (I) ##STR1## wherein A, X, Y and R have the meanings specified in the description, and a process for their preparation, are disclosed.
    Type: Grant
    Filed: January 14, 1998
    Date of Patent: December 14, 1999
    Assignee: Boehringer Ingelheim Italia, S.p.A.
    Inventors: Enzo Cereda, Maura Bignotti, Vincenzo Martino, Giovanni Battista Schiavi, Angelo Sagrada
  • Benzofused-N-containing heterocycle derivatives
    Patent number: 5106851
    Abstract: Compounds of the formula (I) ##STR1## wherein R represents H or C.sub.1-6 alkyl;R.sub.1 and R.sub.2 represent H, halogen, C.sub.1-6 alkyl, C.sub.1-6 alkoxy, C.sub.1-6 alkythio, C.sub.1-6 alkoxycarbonyl, carboxyl, hydroxy, nitro, cyano, optionally C.sub.1-4 alkyl mono- or disubstituted carbamoyl, optionally C.sub.1-4 alkyl mono- or disubstituted amino, C.sub.1-6 acylamino, C.sub.1-4 alkoxy carbonylamino, C.sub.1-6 alkylsulphynyl, C.sub.1-6 alkylsulphonyl or C.sub.1-6 acyl;R.sub.3 represents H, C.sub.1-6 alkyl, aryl or aralkyl, or it may be absent;A represents CO or C.dbd.S;E represents nitrogen;D represents CO or CR.sub.4 R.sub.5 when the E--D bond is single, or D is C--R when the D--E bond is double, in which R.sub.4 represents H, C.sub.1-6 alkyl, aryl, aralkyl, hydroxy or C.sub.1-4 alkoxy and R.sub.5 represents H;X represents oxygen or N--R, or it is absent;Y represents a basic group selected from: ##STR2## in which n is 2 or 3; p is 0 or 1 at the same time or not; q is 0,2 or 3; R.sub.6 and R.sub.
    Type: Grant
    Filed: February 2, 1990
    Date of Patent: April 21, 1992
    Assignee: Istituto de Angeli S.p.A.
    Inventors: Marco Turconi, Rosamarie Micheletti, Giovanni B. Schiavi, Arturo Donetti, Angelo Sagrada, Henri N. Doods