Patents by Inventor Mahena Folegatti

Mahena Folegatti 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).

  • Rifamycin derivatives
    Patent number: 8765778
    Abstract: Disclosed are rifamycin derivatives having antibacterial activities, wherein the compounds have the following general formula: wherein: R is hydrogen or acetyl; R1 and R2 are independently selected from the group consisting of hydrogen, (C1-4) alkyl, benzyloxy, mono- and di-(C1-3) alkylamino-(C1-4)alkyl, (C1-3)alkoxy, (C1-4) alkyl, hydroxy-methyl, hydroxy-(C2-4)-alkyl, and nitro or R1 and R2 taken together with two consecutive carbon atoms of the pyridine nucleus form a benzene ring optionally substituted by one or two methyl or ethyl groups and R3 is hydroxyalkyl (C1-4). In addition, processes to obtain these compounds are described.
    Type: Grant
    Filed: November 26, 2012
    Date of Patent: July 1, 2014
    Assignee: Alfa Wassermann S.p.A.
    Inventors: Giuseppe Glaudio Viscomi, Manuela Campana, Mahena Folegatti, Paolo Righi, Vincenzo Cannata, Goffredo Rosini
  • Rifamycin derivatives
    Patent number: 8318763
    Abstract: Disclosed are rifamycin derivatives having antibacterial activities, wherein the compounds have the following general formula: wherein: R is hydrogen or acetyl; R1 and R2 are independently selected from the group consisting of hydrogen, (C1-4)alkyl, benzyloxy, mono- and di-(C1-3)alkylamino-(C1-4)alkyl, (C1-3)alkoxy, (C1-4)alkyl, hydroxy-methyl, hydroxy-(C2-4)-alkyl, and nitro or R1 and R2 taken together with two consecutive carbon atoms of the pyridine nucleus form a benzene ring optionally substituted by one or two methyl or ethyl groups and R3 is hydroxyalkyl(C1-4). In addition, processes to obtain these compounds are described.
    Type: Grant
    Filed: May 27, 2009
    Date of Patent: November 27, 2012
    Assignee: Alfa Wassermann S.p.A.
    Inventors: Giuseppe Claudio Viscomi, Manuela Campana, Mahena Folegatti, Paola Righi, Vincenzo Cannata, Goffredo Rosini
  • RIFAMYCIN DERIVATIVES
    Publication number: 20100267654
    Abstract: Disclosed are rifamycin derivatives having antibacterial activities, wherein the compounds have the following general formula: wherein: R is hydrogen or acetyl; R1 and R2 are independently selected from the group consisting of hydrogen, (C1-4)alkyl, benzyloxy, mono- and di-(C1-3)alkylamino-(C1-4)alkyl, (C1-3)alkoxy, (C1-4)alkyl, hydroxy-methyl, hydroxy-(C2-4)-alkyl, and nitro or R1 and R2 taken together with two consecutive carbon atoms of the pyridine nucleus form a benzene ring optionally substituted by one or two methyl or ethyl groups and R3 is hydroxyalkyl(C1-4). In addition, processes to obtain these compounds are described.
    Type: Application
    Filed: May 27, 2009
    Publication date: October 21, 2010
    Applicant: ALFA WASSERMAN, S.P.A.
    Inventors: Giuseppe C. VISCOMI, Manuela CAMPANA, Mahena FOLEGATTI, Paolo RIGHI, Vincenzo CANNATA, Goffredo ROSINI