Patents by Inventor Immaculada Bosch

Immaculada Bosch 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).

  • Macrolides
    Patent number: 6703372
    Abstract: Azithromycin in the form of a stable monohydrate and processes for the preparation of azithromycin in the form of an, e.g. stable, monohydrate.
    Type: Grant
    Filed: December 18, 2001
    Date of Patent: March 9, 2004
    Assignee: Biochemie S.A.
    Inventors: Victor Centellas, Rafael Garcia, Marta Poch, José Diago, Johannes Ludescher, Immaculada Bosch
  • Erthromycin a oxime solvates
    Patent number: 6504017
    Abstract: Erythromycin A oxime in the form of a hemihydrate.
    Type: Grant
    Filed: January 4, 2000
    Date of Patent: January 7, 2003
    Assignee: Biochemie S.A.
    Inventors: Immaculada Bosch, Victor Centellas, José Diago
  • Macrolide production
    Patent number: 6420537
    Abstract: A process for the production of azithromycins by methylation of the nitrogen atom in position 9 of the ring structure in 9-deoxo-9a-aza-9a-homoerythromycins in the presence of formaldehyde and in the presence of a reducing agent in non-halogenated solvent; and azithromycin which is free from halogenated organic solvent in a stable anhydrous form; or in the form of a solvate with non-halogenated solvent with the exception of water.
    Type: Grant
    Filed: November 7, 2000
    Date of Patent: July 16, 2002
    Assignee: Biochemie S.A.
    Inventors: Immaculada Bosch, Victor Centellas, José Diago