Patents by Inventor Elke Helftenbein

Elke Helftenbein 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: 20130066234
    Abstract: The present invention relates to a vessel for withdrawing blood, the vessel containing a solution which comprises a guanidinium salt, a buffer substance, a reducing agent, and/or a detergent as components. The vessel is particularly suited for withdrawing blood which is to be analyzed with respect to nucleic acids.
    Type: Application
    Filed: April 13, 2012
    Publication date: March 14, 2013
    Applicant: PreAnalytiX GmbH
    Inventor: Elke Helftenbein
  • Patent number: 7282371
    Abstract: The present invention relates to a receptacle for receiving samples, containing a nucleic-acid stabilizing solution and a nucleic-acid-binding solid phase. The receptacle is especially suited for the withdrawal of blood to be examined for nucleic acid.
    Type: Grant
    Filed: February 15, 2001
    Date of Patent: October 16, 2007
    Assignee: Preanalytix GmbH
    Inventor: Elke Helftenbein
  • Patent number: 6776959
    Abstract: The present invention relates to a vessel for withdrawing blood, the vessel containing a solution which comprises a guanidinium salt, a buffer substance, a reducing agent, and/or a detergent as components. The vessel is particularly suited for withdrawing blood which is to be analyzed with respect to nucleic acids.
    Type: Grant
    Filed: May 18, 2001
    Date of Patent: August 17, 2004
    Assignee: Antigene Biotech GmbH
    Inventor: Elke Helftenbein
  • Publication number: 20040009496
    Abstract: Composition for bonding nucleic acid to a solid phase The present invention relates to a composition for bonding nucleic acid in aqueous solution to a solid phase containing a guanidinium salt, a buffer substance and a detergent, characterised in that the solution's pH value is ≧7.0.
    Type: Application
    Filed: December 19, 2002
    Publication date: January 15, 2004
    Applicant: Antigene Biotech GmbH
    Inventors: Anja Eiblmaier, Elke Helftenbein
  • Publication number: 20030143566
    Abstract: The present invention relates to a receptacle for receiving samples, containing a nucleic-acid-stabilizing solution and a nucleic-acid-binding solid phase.
    Type: Application
    Filed: November 25, 2002
    Publication date: July 31, 2003
    Inventor: Elke Helftenbein
  • Patent number: RE43389
    Abstract: The present invention relates to a vessel for withdrawing blood, the vessel containing a solution which comprises a guanidinium salt, a buffer substance, a reducing agent, and/or a detergent as components. The vessel is particularly suited for withdrawing blood which is to be analyzed with respect to nucleic acids.
    Type: Grant
    Filed: August 12, 1999
    Date of Patent: May 15, 2012
    Assignee: PreAnalytix GmbH
    Inventor: Elke Helftenbein