Patents by Inventor Ralf Wyrich

Ralf Wyrich 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: 6872818
    Abstract: The present invention provides RNA purification and/or analysis methods that use ammonium sulfate to mitigate or neutralize inhibitory effects of certain molecules. Exemplary inhibitory molecules that interfere with RNA function or analysis are those that bind to or cleave RNA, or stabilize RNA secondary structures.
    Type: Grant
    Filed: January 25, 2002
    Date of Patent: March 29, 2005
    Assignee: QIAGEN GmbH
    Inventors: Christian Korfhage, Ralf Wyrich, Uwe Oelmüller
  • Patent number: 6821789
    Abstract: A collection container and method for collecting a predetermined volume of a biological sample, and particularly a whole blood sample, includes at least one gene induction blocking agent in an amount effective to stabilize and inhibit gene induction. The gene induction blocking agent is able to stabilize nucleic acids in the biological sample at the point of collection to block ex vivo gene induction in the sample when stored at room temperature. The stabilizing agents include cationic compounds, detergents, particularly cationic detergents, chaotropic salts, ribonuclease inhibitors, chelating agents, organic solvents, organic reducing reagents, and mixtures thereof. The biological sample is collected directly from the animal and immediately mixed with the gene induction blocking agent without any intermediate processing or handling.
    Type: Grant
    Filed: July 2, 2003
    Date of Patent: November 23, 2004
    Assignee: Becton, Dickinson and Company
    Inventors: Frank A. Augello, Lynne Rainen, Matthew Walenciak, Uwe Oelmüller, Ralf Wyrich, Helge Bastian
  • Publication number: 20040115689
    Abstract: A collection container and method for collecting a predetermined volume of a biological sample, and particularly a whole blood sample, includes an effective amount of at least one stabilizing agent. The stabilizing agent is able to stabilize nucleic acids in the biological sample at the point of collection to prevent enzymatic degradation of the nucleic acids. The stabilizing agents include cationic compounds, detergents, particularly cationic detergents, chaotropic salts, ribonuclease inhibitors, chelating agents, and mixtures thereof.
    Type: Application
    Filed: July 2, 2003
    Publication date: June 17, 2004
    Inventors: Frank A. Augello, Lynne Rainen, Mathew Walenciak, Uwe Oelmuller, Ralf Wyrich, Helge Bastian
  • Publication number: 20040048384
    Abstract: A collection container and method for collecting a predetermined volume of a biological sample, and particularly a whole blood sample, includes at least one gene induction blocking agent in an amount effective to stabilize and inhibit gene induction. The gene induction blocking agent is able to stabilize nucleic acids in the biological sample at the point of collection to block ex vivo gene induction in the sample when stored at room temperature. The stabilizing agents include cationic compounds, detergents, particularly cationic detergents, chaotropic salts, ribonuclease inhibitors, chelating agents, organic solvents, organic reducing reagents, and mixtures thereof. The biological sample is collected directly from the animal and immediately mixed with the gene induction blocking agent without any intermediate processing or handling.
    Type: Application
    Filed: July 2, 2003
    Publication date: March 11, 2004
    Inventors: Frank A. Augello, Lynne Rainen, Matthew Walenciak, Uwe Oelmuller, Ralf Wyrich, Helge Bastian
  • Publication number: 20040014703
    Abstract: The present invention relates to new compositions for isolating and/or stabilising nucleic acids in materials of biological origin.
    Type: Application
    Filed: June 9, 2003
    Publication date: January 22, 2004
    Inventors: Vera Hollnder, Ralf Wyrich, Uwe Oelmller
  • Patent number: 6617170
    Abstract: A collection container and method for collecting a predetermined volume of a biological sample, and particularly a whole blood sample, includes at least one gene induction blocking agent in an amount effective to stabilize and inhibit gene induction. The gene induction blocking agent is able to stabilize nucleic acids in the biological sample at the point of collection to block ex vivo gene induction in the sample when stored at room temperature. The stabilizing agents include cationic compounds, detergents, particularly cationic detergents, chaotropic salts, ribonuclease inhibitors, chelating agents, organic solvents, organic reducing reagents, and mixtures thereof. The biological sample is collected directly from the animal and immediately mixed with the gene induction blocking agent without any intermediate processing or handling.
    Type: Grant
    Filed: October 30, 2001
    Date of Patent: September 9, 2003
    Assignees: Becton, Dickinson and Company, Qiagen GmbH
    Inventors: Frank A. Augello, Lynne Rainen, Matthew Walenciak, Uwe Oelmüller, Ralf Wyrich, Helge Bastian
  • Patent number: 6602718
    Abstract: A collection container and method for collecting a predetermined volume of a biological sample, and particularly a whole blood sample, includes an effective amount of at least one stabilizing agent. The stabilizing agent is able to stabilize nucleic acids in the biological sample at the point of collection to prevent enzymatic degradation of the nucleic acids. The stabilizing agents include cationic compounds, detergents, particularly cationic detergents, chaotropic salts, ribonuclease inhibitors, chelating agents, and mixtures thereof.
    Type: Grant
    Filed: November 8, 2000
    Date of Patent: August 5, 2003
    Assignees: Becton, Dickinson and Company, Qiagen GmbH
    Inventors: Frank A. Augello, Lynne Rainen, Matthew Walenciak, Uwe Oelmüller, Ralf Wyrich, Helge Bastian
  • Publication number: 20020146677
    Abstract: A collection container and method for collecting a predetermined volume of a biological sample, and particularly a whole blood sample, includes at least one gene induction blocking agent in an amount effective to stabilize and inhibit gene induction. The gene induction blocking agent is able to stabilize nucleic acids in the biological sample at the point of collection to block ex vivo gene induction in the sample when stored at room temperature. The stabilizing agents include cationic compounds, detergents, particularly cationic detergents, chaotropic salts, ribonuclease inhibitors, chelating agents, organic solvents, organic reducing reagents, and mixtures thereof. The biological sample is collected directly from the animal and immediately mixed with the gene induction blocking agent without any intermediate processing or handling.
    Type: Application
    Filed: October 30, 2001
    Publication date: October 10, 2002
    Applicant: Becton Dickinson and Company and Qiagen GmbH.
    Inventors: Frank A. Augello, Lynne Rainen, Matthew Walenciak, Uwe Oelmuller, Ralf Wyrich, Helge Bastian
  • Publication number: 20020115851
    Abstract: The present invention provides RNA purification and/or analysis methods that use ammonium sulfate to mitigate or neutralize inhibitory effects of certain molecules. Exemplary inhibitory molecules that interfere with RNA function or analysis are those that bind to or cleave RNA, or stabilize RNA secondary structures.
    Type: Application
    Filed: January 25, 2002
    Publication date: August 22, 2002
    Applicant: QIAGEN GmbH
    Inventors: Christian Korfhage, Ralf Wyrich, Uwe Oelmuller