Patents by Inventor Christopher Roehl

Christopher Roehl 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: 20060211034
    Abstract: This invention is directed to a process for tightly binding nucleic acid to solid phase and corresponding processes for the utilization thereof. Nucleic acid is bound to solid phase matrices exhibiting sufficient hydrophilicity and electropositivity to tightly bind the nucleic acids from a sample. These processes include nucleic acid (double or single stranded DNA and RNA) capture from high volume and/or low concentration specimens, buffer changes, washes, and volume reductions, and enable the interface of solid phase bound nucleic acid with enzyme, hybridization or amplification strategies. The tightly bound nucleic acid may be used, for example, in repeated analyses to confirm results or test additional genes in both research and commercial applications. Further, a method is described for virus extraction, purification, and solid phase amplification from large volume plasma specimens.
    Type: Application
    Filed: May 18, 2006
    Publication date: September 21, 2006
    Inventors: John Gerdes, Jeffery Marmaro, Jeffrey Ives, Christopher Roehl
  • Patent number: 7087387
    Abstract: This invention provides a kit comprising a substrate having a surface coated with a solid phase matrix for nucleic acid manipulation. The solid phase matrix exhibits sufficient hydrophilicity and electropositivity to tightly bind the nucleic acids in a sample. The manipulations include nucleic acid (double or single stranded DNA and RNA) capture from high volume and/or low concentration specimens, buffer changes, washes, and volume reductions, and enable the interface of solid phase bound nucleic acid with enzyme, hybridization or amplification strategies. The tightly bound nucleic acid may be used, for example, in repeated analyses to confirm results or test additional genes in both research and commercial applications. Further, a method for virus extraction, purification, and solid phase amplification from large volume plasma specimens is described.
    Type: Grant
    Filed: October 21, 2003
    Date of Patent: August 8, 2006
    Assignee: Applera Corporation
    Inventors: John C. Gerdes, Jeffery M. Marmaro, Jeffrey T. Ives, Christopher A. Roehl
  • Patent number: 6872527
    Abstract: This invention is directed to a process for tightly binding nucleic acid to solid phase and corresponding processes for the utilization thereof. Nucleic acid is bound to solid phase matrices exhibiting sufficient hydrophilicity and electropositivity to tightly bind the nucleic acids from a sample. These processes include nucleic acid (double or single stranded DNA and RNA) capture from high volume and/or low concentration specimens, buffer changes, washes, and volume reductions, and enable the interface of solid phase bound nucleic acid with enzyme, hybridization or amplification strategies. The tightly bound nucleic acid may be used, for example, in repeated analyses to confirm results or test additional genes in both research and commercial applications. Further, a method is described for virus extraction, purification, and solid phase amplification from large volume plasma specimens.
    Type: Grant
    Filed: August 31, 2001
    Date of Patent: March 29, 2005
    Assignee: XTRANA, Inc.
    Inventors: John C. Gerdes, Jeffery M. Marmaro, Jeffrey T. Ives, Christopher A. Roehl
  • Publication number: 20040091925
    Abstract: This invention provides a kit comprising a substrate having a surface coated with a solid phase matrix for nucleic acid manipulation. The solid phase matrix exhibits sufficient hydrophilicity and electropositivity to tightly bind the nucleic acids in a sample. The manipulations include nucleic acid (double or single stranded DNA and RNA) capture from high volume and/or low concentration specimens, buffer changes, washes, and volume reductions, and enable the interface of solid phase bound nucleic acid with enzyme, hybridization or amplification strategies. The tightly bound nucleic acid may be used, for example, in repeated analyses to confirm results or test additional genes in both research and commercial applications. Further, a method for virus extraction, purification, and solid phase amplification from large volume plasma specimens is described.
    Type: Application
    Filed: October 21, 2003
    Publication date: May 13, 2004
    Inventors: John C. Gerdes, Jeffery M. Marmaro, Jeffrey T. Ives, Christopher A. Roehl
  • Publication number: 20020132242
    Abstract: This invention is directed to a process for tightly binding nucleic acid to solid phase and corresponding processes for the utilization thereof. Nucleic acid is bound to solid phase matrices exhibiting sufficient hydrophilicity and electropositivity to tightly bind the nucleic acids from a sample. These processes include nucleic acid (double or single stranded DNA and RNA) capture from high volume and/or low concentration specimens, buffer changes, washes, and volume reductions, and enable the interface of solid phase bound nucleic acid with enzyme, hybridization or amplification strategies. The tightly bound nucleic acid may be used, for example, in repeated analyses to confirm results or test additional genes in both research and commercial applications. Further, a method is described for virus extraction, purification, and solid phase amplification from large volume plasma specimens.
    Type: Application
    Filed: August 31, 2001
    Publication date: September 19, 2002
    Inventors: John C. Gerdes, Jeffery M. Marmaro, Jeffrey T. Ives, Christopher A. Roehl
  • Patent number: 6291166
    Abstract: This invention is directed to a process for irreversibly binding nucleic acid to solid phase and corresponding processes for the utilization thereof. Nucleic acid is bound to solid phase matrixes exhibiting sufficient hydrophilicity and electropositivity to irreversibly bind the nucleic acids from a sample. These processes include nucleic acid (double or single stranded DNA and RNA) capture from high volume:low concentration specimens, buffer changes, washes, and volume reductions, and enable the interface of solid phase bound nucleic acid with enzyme, hybridization or amplification strategies. The invention, solid phase irreversibly bound nucleic acid, may be used, for example, in repeated analyses to confirm results or test additional genes in both research and commercial applications. Further, a method is described for virus extraction, purification, and solid phase amplification from large volume plasma specimens.
    Type: Grant
    Filed: April 16, 1998
    Date of Patent: September 18, 2001
    Assignee: Xtrana, Inc.
    Inventors: John C. Gerdes, Jeffrey M. Marmaro, Christopher A. Roehl