Patents by Inventor Jan Groenendaal

Jan Groenendaal 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).

  • Amoxicillin trihydrate
    Publication number: 20060172987
    Abstract: The present invention relates to a product of amoxicillin trihydrate, having a free water content of less than 0.1 wt. %, preferably less than 0.07 wt. %, more preferably less than 0.05 wt. %, measured at an equilibrium relative humidity of 30% and at a temperature of 25° C. The product is advantageously used in mixture with clavulanic acid. The invention also relates to a process for the preparation of the new product.
    Type: Application
    Filed: March 19, 2004
    Publication date: August 3, 2006
    Applicant: DSM IP Assets B.V.
    Inventors: Jan Groenendaal, Everardus Johannus Leenderts, Thomas Does
  • Crystalline amoxicillin trihydrate powder
    Publication number: 20060166958
    Abstract: The invention relates to crystalline amoxicillin trihydrate powder having a bulk density higher than 0.45 g/ml. The invention also relates to a process for preparing crystalline amoxicillin trihydrate powder, said process comprising: crystallizing amoxicillin trihydrate from a solution containing dissolved amoxicillin; separating the crystals from said solution; and drying the separated crystals, resulting in crystalline powder having a bulk density higher than 0.45 g/ml.
    Type: Application
    Filed: March 19, 2004
    Publication date: July 27, 2006
    Applicant: DSM IP Assets B.V.
    Inventors: Jan Groenendaal, Everardus Johannus Maria, Thomas Does