Patents by Inventor Maria Wehsling

Maria Wehsling 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).

  • Patent number: 8143381
    Abstract: The present invention relates to the use of ionic liquids or of mixtures comprising at least one ionic liquid and at least one further solvent for the extraction of membrane proteins from biological samples, to methods for the extraction of membrane proteins, to a kit for the extraction of these proteins and to the use thereof.
    Type: Grant
    Filed: October 18, 2007
    Date of Patent: March 27, 2012
    Assignee: Merck Patent GmbH
    Inventors: Joerg Von Hagen, Uwe Michelsen, Maria Wehsling
  • Publication number: 20100029917
    Abstract: The present invention relates to the use of ionic liquids or of mixtures comprising at least one ionic liquid and at least one further solvent for the extraction of membrane proteins from biological samples, to methods for the extraction of membrane proteins, to a kit for the extraction of these proteins and to the use thereof.
    Type: Application
    Filed: October 18, 2007
    Publication date: February 4, 2010
    Applicant: MERCK PATENT GMBH
    Inventors: Joerg Von Hagen, Uwe Michelsen, Maria Wehsling
  • Patent number: 6617443
    Abstract: The invention relates to a method for removing endotoxins from nucleic acids. The endotoxins are removed by pre-incubating the nucleic acids in a salt-free detergent solution and subsequent anion exchange chromatography on a tentacle anion exchanger.
    Type: Grant
    Filed: September 5, 2002
    Date of Patent: September 9, 2003
    Assignee: Merck Patent GmbH
    Inventors: Robertus Hendriks, Maria Wehsling, Andrea Lantos
  • Publication number: 20030068810
    Abstract: The invention relates to a method for removing endotoxins from nucleic acids. The endotoxins are removed by pre-incubating the nucleic acids in a salt-free detergent solution and subsequent anion exchange chromatography on a tentacle anion exchanger.
    Type: Application
    Filed: September 5, 2002
    Publication date: April 10, 2003
    Inventors: Robertus Hendriks, Maria Wehsling, Andrea Lantos