Patents by Inventor Helge Bastian

Helge Bastian 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).

  • Process for the separation of double-stranded/single-stranded nucleic acid structures
    Patent number: 6180778
    Abstract: The present invention pertains to a process for the chromatographic separation of nucleic acid mixtures into their double-stranded and single-stranded nucleic acid fractions by simultaneously absorbing said nucleic acids as a whole to a mineral support, followed by separation into double-stranded and single-stranded nucleic acids by fractional elution, or by selectively absorbing double-stranded or single-stranded nucleic acid of a liquid sample to a mineral support, as well as solutions and a kit for performing the process according to the invention.
    Type: Grant
    Filed: August 8, 1996
    Date of Patent: January 30, 2001
    Assignee: QIAGEN GmbH
    Inventors: Helge Bastian, Simone Gauch, Metin Colpan, Petra Feuser