Patents by Inventor Kurt Bill

Kurt Bill 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).

  • Publication number: 20170044211
    Abstract: The invention provides a washing method for affinity chromatography in which a wash solution comprising arginine, or an arginine derivative, and a nonbuffering salt, preferably at high pH, greater than 8.0, is effective in removing impurities, such as high molecular weight species and host cell proteins, while also increasing product concentration in the eluate and maintaining a high percent yield of recovered product.
    Type: Application
    Filed: October 28, 2016
    Publication date: February 16, 2017
    Inventors: Achim Frauenschuh, Kurt Bill
  • Patent number: 9505803
    Abstract: The invention provides a washing method for affinity chromatography in which a wash solution comprising arginine, or an arginine derivative, and a nonbuffering salt, preferably at high pH, greater than 8.0, is effective in removing impurities, such as high molecular weight species and host cell proteins, while also increasing product concentration in the eluate and maintaining a high percent yield of recovered product.
    Type: Grant
    Filed: December 17, 2010
    Date of Patent: November 29, 2016
    Assignee: Novartis AG
    Inventors: Achim Frauenschuh, Kurt Bill
  • Publication number: 20120283416
    Abstract: The invention provides a washing method for affinity chromatography in which a wash solution comprising arginine, or an arginine derivative, and a nonbuffering salt, preferably at high pH, greater than 8.0, is effective in removing impurities, such as high molecular weight species and host cell proteins, while also increasing product concentration in the eluate and maintaining a high percent yield of recovered product.
    Type: Application
    Filed: December 17, 2010
    Publication date: November 8, 2012
    Applicant: NOVARTIS AG
    Inventors: Achim Frauenschuh, Kurt Bill