Patents by Inventor Hans-Guenter KAeStle

Hans-Guenter KAeStle 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).

  • Pharmaceutical composition comprising oseltamivir phosphate
    Patent number: 9012499
    Abstract: The present invention provides a pharmaceutical composition comprising: one or more excipients selected from sugars and sugar alcohols in which equilibrium water content is 1% by weight or less at 25° C. and at 70% relative humidity; and oseltamivir phosphate, wherein an amount of each of glucose and mannose contained in the sugars and sugar alcohols as impurities is 0.01% by weight or less.
    Type: Grant
    Filed: February 20, 2007
    Date of Patent: April 21, 2015
    Assignees: Chugai Seiyaku Kabushiki Kaisha, F. Hoffman-la Roche AG
    Inventors: Ryuji Kubota, Tomoaki Ohta, Tomoaki Hirayama, Hiroyuki Maeda, Christian Volland, Hans-Guenter Kaestle
  • PHARMACEUTICAL COMPOSITION COMPRISING OSELTAMIVIR PHOSPHATE
    Publication number: 20100222427
    Abstract: The present invention provides a pharmaceutical composition comprising: one or more excipients selected from sugars and sugar alcohols in which equilibrium water content is 1% by weight or less at 25° C. and at 70% relative humidity; and oseltamivir phosphate, wherein an amount of each of glucose and mannose contained in the sugars and sugar alcohols as impurities is 0.01% by weight or less.
    Type: Application
    Filed: February 20, 2007
    Publication date: September 2, 2010
    Applicants: CHUGAI SEIYAKU KABUSHIKI KAISHA, F. HOFFMAN-LA ROCHE AG
    Inventors: Ryuji Kubota, Tomoaki Ohta, Tomoaki Hirayama, Hiroyuki Maeda, Christian Volland, Hans-Guenter KAeStle