Patents by Inventor Alessandro Brambilla

Alessandro Brambilla 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: 6586435
    Abstract: Compound of formula (I) wherein: R1 is hydrogen or C1-C6-alkyl optionally substituted by C3-C6-cycloylalkyl; R2 and R3 together with the nitrogen form a saturated or unsaturated 5- or 6-membered heterocyclic ring optionally containing nitrogen or oxygen as an additional heteroatom, wherein the heterocyclic ring thereof is substituted by a group selected from phenyl, benzyl, and diphenylmethyl, each optionally mono- or di-substituted by one or two groups selected from CF3, C1-C4-alkyl, C1-C4-alkoxy, phenyl, benzyl, halogen, and OH, or R2 and R3 together with the nitrogen form a saturated or unsaturated 5- or 6-membered heterocyclic ring optionally containing nitrogen or oxygen as an additional heteroatom, the heterocyclic ring thereof linked via a single bond, a methylene-bridge, or spiro-connected to another saturated or unsaturated heterocyclic group containing one or two heteroatoms selected from oxygen and nitrogen, the heterocyclic group being optionally mono- or di-substituted by a g
    Type: Grant
    Filed: August 21, 2001
    Date of Patent: July 1, 2003
    Assignee: Boehringer Ingelheim Pharma KG
    Inventors: Enzo Cereda, Luciano Maiocchi, Alessandro Brambilla, Ettore Giraldo, Giovanni Battista Schiavi
  • Patent number: 6521623
    Abstract: A compound of formula (I) wherein: R1 is C1-C6-alkyl substituted by a group selected from OH, C1-C6-alkoxy, —OCONHC1-C6-alkyl, —OCONHC1-C6-alkyl, —NHSO2C1-C6-alkyl, and —NHCOC1-C6-alkyl, or R1 is C1-C6-alkyl substituted by a saturated or unsaturated 5- or 6-membered heterocycle containing one or two heteroatoms selected from the group consisting of nitrogen and oxygen, the heterocycle optionally substituted by a group selected from C1-C4-alkyl, halogen, and benzyl; R2 and R3 together with the nitrogen form a saturated or unsaturated 5- or 6-membered heterocyclic ring optionally containing nitrogen or oxygen as an additional heteroatom, the heterocyclic ring thereof substituted by a group selected from phenyl, benzyl, and diphenylmethyl, each of these groups optionally mono- or di-substituted by one or two groups selected from CF3, C1-C4-alkyl, C1-C4-alkoxy, phenyl, benzyl, halogen, and OH, or R2 and R3 together with the nitrogen form a saturated or unsaturated 5-
    Type: Grant
    Filed: August 21, 2001
    Date of Patent: February 18, 2003
    Assignee: Boehringer Ingelheim Pharma KG
    Inventors: Enzo Cereda, Luciano Maiocchi, Alessandro Brambilla, Ettore Giraldo, Eugenia Monferini, Giovanni Battista Schiavi
  • Publication number: 20030027823
    Abstract: A compound of formula (I) 1
    Type: Application
    Filed: August 21, 2001
    Publication date: February 6, 2003
    Inventors: Enzo Cereda, Luciano Maiocchi, Alessandro Brambilla, Ettore Giraldo, Eugenia Monferini, Giovanni Battista Schiavi
  • Publication number: 20020103208
    Abstract: Compound of formula (I) 1
    Type: Application
    Filed: August 21, 2001
    Publication date: August 1, 2002
    Inventors: Enzo Cereda, Luciano Maiocchi, Alessandro Brambilla, Ettore Giraldo, Giovanni Battista Schiavi