Patents by Inventor Gerrit Jan Ettema

Gerrit Jan Ettema 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).

  • Crystalline aripiprazole solvates
    Patent number: 7902198
    Abstract: Alcoholates of aripiprazole are useful as pharmaceuticals and/or as intermediates in making aripiprazole Form A or Form B.
    Type: Grant
    Filed: November 18, 2005
    Date of Patent: March 8, 2011
    Assignee: Synthon BV
    Inventors: Gerrit Jan Ettema, Raymond Westheim, Faysal Kalmoua
  • Process of making crystalline aripiprazole
    Patent number: 7642353
    Abstract: Crystalline aripiprazole Form B can be formed by crystallizing from a solvent selected from 1-propanol, 2-propanol, 1-butanol, ethyl acetate, acetonitrile or a combination thereof.
    Type: Grant
    Filed: November 18, 2005
    Date of Patent: January 5, 2010
    Assignee: Synthon BV
    Inventors: Gerrit Jan Ettema, Raymond Westheim, Faysal Kalmoua