Patents by Inventor Maura Bignotti

Maura Bignotti 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: 6281218
    Abstract: Compounds of general formula (I) wherein R1, R2, R3, and R4 denote hydrogen or hydroxy with the proviso that R1, R2, R3, and R4 cannot simultaneously represent hydrogen, processes for their preparation of the compounds of general formula (I), and their use as pharmaceuticals.
    Type: Grant
    Filed: August 8, 2000
    Date of Patent: August 28, 2001
    Assignee: Ingelheim Italia S.p.A.
    Inventors: Enzo Cereda, Maura Bignotti, Giovanni Battista Schiavi
  • Patent number: 6255327
    Abstract: The invention relates to new diphenyl-substituted 5-ring heterocycles of general formula (I) wherein A, X and the groups R1, R2, R3, R4 and R5 are defined as in the claims, processes for preparing them and their use as pharmaceutical compositions.
    Type: Grant
    Filed: April 13, 1999
    Date of Patent: July 3, 2001
    Assignee: Boehringer Ingelheim Pharma KG
    Inventors: Michael Brenner, Wolf-Dietrich Bechtel, Rainer Palluk, Marion Wienrich, Thomas Weiser, Enzo Cereda, Maura Bignotti, Carlo Maria Pellegrini
  • Patent number: 6235738
    Abstract: The invention relates to novel diphenyl-substituted heterocycles with 6-membered ring of general formula (I) in which A, X and the residues R1, R2, R3, R4 and R5 are as defined in the claims, processes for the preparation thereof and the use thereof as medicaments.
    Type: Grant
    Filed: April 12, 1999
    Date of Patent: May 22, 2001
    Assignees: Boehringer Ingelheim Pharma KG, Boehringer Ingelheim Italia S.p.A.
    Inventors: Michael Brenner, Rainer Palluk, Marion Wienrich, Thomas Weiser, Enzo Cereda, Maura Bignotti, Carlo Maria Pellegrini, Giovanni Battista Schiavi, Raffaele Cesana
  • 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
  • Patent number: 5576318
    Abstract: Pharmacologically active benzimidazolone derivatives as 5-HT.sub.1A and 5-HT.sub.2 receptors, useful in the treatment of CNS disorders, of formula: ##STR1## wherein the substituents are defined herein.
    Type: Grant
    Filed: March 23, 1994
    Date of Patent: November 19, 1996
    Assignee: Boehringer Ingelheim Italia S.p.A.
    Inventors: Giuseppe Bietti, Franco Borsini, Marco Turconi, Ettore Giraldo, Maura Bignotti