Patents by Inventor Nadine Krueger

Nadine Krueger 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).

  • METHODS FOR SEPARATING NUCLEIC ACIDS BY SIZE
    Publication number: 20160281078
    Abstract: The present invention pertains to a method for isolating nucleic acids by size from a sample comprising nucleic acids of different sizes using an anion exchange matrix, wherein nucleic acids of a preselected size or a preselected size range are isolated by varying the pH value during elution and/or binding.
    Type: Application
    Filed: May 20, 2016
    Publication date: September 29, 2016
    Inventors: Roland Fabis, Nadine Krüger, Jan Petzel
  • Compositions, methods, and kits for isolating and analyzing nucleic acids using an anion exchange material
    Patent number: 9238809
    Abstract: The present disclosure relates to methods for isolating, amplifying, and/or analyzing nucleic acids in the presence of an anion exchange material by performing the isolation, amplification and/or analysis step in the presence of at least one anionic compound.
    Type: Grant
    Filed: August 5, 2010
    Date of Patent: January 19, 2016
    Assignees: QIAGEN GAITHERSBURG, INC., QIAGEN GMBH
    Inventors: Yuri Khripin, Dirk Loeffert, Roland Fabis, Nadine Krueger
  • METHODS FOR SEPARATING NUCLEIC ACIDS BY SIZE
    Publication number: 20140243216
    Abstract: The present invention pertains to a method for isolating nucleic acids by size from a sample comprising nucleic acids of different sizes using an anion exchange matrix, wherein nucleic acids of a preselected size or a preselected size range are isolated by varying the pH value during elution and/or binding.
    Type: Application
    Filed: September 25, 2012
    Publication date: August 28, 2014
    Inventors: Roland Fabis, Nadine Krüger, Jan Petzel
  • COMPOSITIONS, METHODS, AND KITS FOR ISOLATING AND ANALYZING NUCLEIC ACIDS USING AN ANION EXCHANGE MATERIAL
    Publication number: 20110071031
    Abstract: The present disclosure relates to methods for isolating, amplifying, and/or analyzing nucleic acids in the presence of an anion exchange material by performing the isolation, amplification and/or analysis step in the presence of at least one anionic compound.
    Type: Application
    Filed: August 5, 2010
    Publication date: March 24, 2011
    Applicants: QIAGEN GAITHERSBURG INC., QIAGEN GMBH
    Inventors: Yuri KHRIPIN, Dirk Loeffert, Roland Fabis, Nadine Krueger