Patents by Inventor David Nauwelaers

David Nauwelaers 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: 11634749
    Abstract: The present invention is based on the discovery of sensitive and specific methylation detection by a) controlling excessive DNA degradation prior to conversion by incubating DNA conversion reagent (e.g. bisulfite reagent) directly with a nucleic acid containing sample without requiring prior nucleic acid purification from the sample and without requiring prior nucleic acid denaturation at elevated temperatures of 98° C. and, b) optimizing bisulfite removal by controlling the pumping rate flow of the bisulfite treated sample over an extraction membrane inside an automated system. In some embodiments, a cartridge for the detection of methylated DNA is provided.
    Type: Grant
    Filed: December 3, 2019
    Date of Patent: April 25, 2023
    Assignee: BIOCARTIS NV
    Inventors: David Nauwelaers, Hannah Kenens
  • Publication number: 20200199653
    Abstract: The present invention is based on the discovery of sensitive and specific methylation detection by a) controlling excessive DNA degradation prior to conversion by incubating DNA conversion reagent (e.g. bisulfite reagent) directly with a nucleic acid containing sample without requiring prior nucleic acid purification from the sample and without requiring prior nucleic acid denaturation at elevated temperatures of 98° C. and, b) optimizing bisulfite removal by controlling the pumping rate flow of the bisulfite treated sample over an extraction membrane inside an automated system.
    Type: Application
    Filed: December 3, 2019
    Publication date: June 25, 2020
    Applicant: Biocartis NV
    Inventors: David Nauwelaers, Hannah Kenens
  • Patent number: 10533210
    Abstract: The present invention is based on the discovery of sensitive and specific methylation detection by a) controlling excessive DNA degradation prior to conversion by incubating DNA conversion reagent (e.g. bisulfite reagent) directly with a nucleic acid containing sample without requiring prior nucleic acid purification from the sample and without requiring prior nucleic acid denaturation at elevated temperatures of 98° C. and, b) optimizing bisulfite removal by controlling the pumping rate flow of the bisulfite treated sample over an extraction membrane inside an automated system.
    Type: Grant
    Filed: June 10, 2016
    Date of Patent: January 14, 2020
    Assignee: Biocartis NV
    Inventors: David Nauwelaers, Hannah Kenens
  • Publication number: 20180201973
    Abstract: The present invention is based on the discovery of sensitive and specific methylation detection by a) controlling excessive DNA degradation prior to conversion by incubating DNA conversion reagent (e.g. bisulfite reagent) directly with a nucleic acid containing sample without requiring prior nucleic acid purification from the sample and without requiring prior nucleic acid denaturation at elevated temperatures of 98° C. and, b) optimizing bisulfite removal by controlling the pumping rate flow of the bisulfite treated sample over an extraction membrane inside an automated system.
    Type: Application
    Filed: June 10, 2016
    Publication date: July 19, 2018
    Applicant: Biocartis NV
    Inventors: David Nauwelaers, Hanna Kenens
  • Publication number: 20130244223
    Abstract: The invention concerns a method for the extraction of nucleic acids from biological samples e.g. tissue material or sputum derived from human or animal species and the quantitative detection thereafter of said nucleic acids e.g. in terms of viral load, more specifically RSV viral load detection.
    Type: Application
    Filed: January 31, 2013
    Publication date: September 19, 2013
    Inventors: David Nauwelaers, Lieven Jozef Stuyver
  • Patent number: 8409803
    Abstract: The invention concerns a method for the extraction of nucleic acids from biological samples e.g. tissue material or sputum derived from human or animal species and the quantitative detection thereafter of said nucleic acids e.g. in terms of viral load, more specifically RSV viral load detection.
    Type: Grant
    Filed: April 4, 2008
    Date of Patent: April 2, 2013
    Assignee: SpeeDX Pty Ltd.
    Inventors: David Nauwelaers, Lieven Jozef Stuyver, Alison Velyian Todd, Elisa Mokany, Paul Ean Young
  • Publication number: 20120064514
    Abstract: The present invention relates to methods for the evaluation of HIV-1 Subtype C (HIV-1-C) treatment. The methods are based on evaluating molecular events at the HIV-1-C gag-protease-reverse transcriptase (GPRT) resulting in altered therapeutic efficacy of investigated anti-retroviral compounds. The methods rely on providing HIV-1-C GPRT RNA and evaluating a treatment either through genotyping or phenotyping methods. Said methods may find a use in the field of diagnostics, drug screening, pharmacogenetics and drug development.
    Type: Application
    Filed: May 11, 2010
    Publication date: March 15, 2012
    Applicant: Virco BVBA
    Inventors: David Nauwelaers, Lieven Jozef Stuyver
  • Publication number: 20100221711
    Abstract: The invention concerns a method for the extraction of nucleic acids from biological samples e.g. tissue material or sputum derived from human or animal species and the quantitative detection thereafter of said nucleic acids e.g. in terms of viral load, more specifically RSV viral load detection.
    Type: Application
    Filed: April 4, 2008
    Publication date: September 2, 2010
    Applicant: Johnson & Johnson Research PTY Limited
    Inventors: David Nauwelaers, Lieven Jozef Stuyver, Alison Velyian Todd, Elisa Mokany, Paul Ean Young