Patents by Inventor W. William Stewart

W. William Stewart 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).

  • Assays using surface-enhanced raman spectroscopy (SERS)-active particles
    Patent number: 11016095
    Abstract: Disclosed herein are diagnostic assays using surface enhanced Raman spectroscopy (SERS)-active particles, including liquid-based assays; magnetic capture assays; microparticle-nanoparticle satellite structures for signal amplification in an assay; composite SERS-active particles useful for enhanced detection of targets; and sample tubes and processes for using the same.
    Type: Grant
    Filed: September 22, 2017
    Date of Patent: May 25, 2021
    Assignee: BECTON DICKINSON AND COMPANY
    Inventors: Kristin Weidemaier, Christian Sandmann, William Shannon Dillmore, James L. Schram, W. William Stewart, Robert E. Pearson, Helen Hsieh, Steven Keith, Rajendra R. Bhat, Andrea Liebmann-Vinson, Adam Craig Curry, Alexander G. Lastovich
  • Methods and compositions for detecting mycoplasma exposure
    Patent number: 10222383
    Abstract: The present invention provides methods and compositions for detecting Mycoplasma exposure in a subject.
    Type: Grant
    Filed: January 27, 2017
    Date of Patent: March 5, 2019
    Assignee: Advanced Animal Diagnostics, Inc.
    Inventors: Robert L. Campbell, Melissa E. Langer, Jasper N. Pollard, Robert L. Cheek, Kevin G. Dolan, W. William Stewart, Stefano Bresolin, John Richard Sink, Tobias M. Heineck, Laura A. Black, Nathan F. Pope, Lauren K. Parker, Erik J. Jensen, Jorge Carlos Correa, Reha O. Azizoglu
  • ASSAYS USING SURFACE-ENHANCED RAMAN SPECTROSCOPY (SERS)-ACTIVE PARTICLES
    Publication number: 20180059118
    Abstract: Disclosed herein are diagnostic assays using surface enhanced Raman spectroscopy (SERS)-active particles, including liquid-based assays; magnetic capture assays; microparticle-nanoparticle satellite structures for signal amplification in an assay; composite SERS-active particles useful for enhanced detection of targets; and sample tubes and processes for using the same.
    Type: Application
    Filed: September 22, 2017
    Publication date: March 1, 2018
    Applicant: BECTON DICKINSON AND COMPANY
    Inventors: Kristin Weidemaier, Christian Sandmann, William Shannon Dillmore, James L. Schram, W. William Stewart, Robert E. Pearson, Helen Hsieh, Steven Keith, Rajendra R. Bhat, Andrea Liebmann-Vinson, Adam Craig Curry, Alexander G. Lastovich
  • Assays using surface-enhanced raman spectroscopy (SERS)-active particles
    Patent number: 9823253
    Abstract: Disclosed herein are diagnostic assays using surface enhanced Raman spectroscopy (SERS)-active particles, including liquid-based assays; magnetic capture assays; microparticle-nanoparticle satellite structures for signal amplification in an assay; composite SERS-active particles useful for enhanced detection of targets; and sample tubes and processes for using the same.
    Type: Grant
    Filed: March 20, 2008
    Date of Patent: November 21, 2017
    Assignee: Becton, Dickinson and Company
    Inventors: Kristin Weidemaier, Christian Sandmann, W. Shannon Dillmore, James L. Schram, W. William Stewart, Robert E. Pearson, Helen Hsieh, Steven Keith, Rajendra R. Bhat, Andrea Liebmann-Vinson, Adam Craig Curry, Alexander G. Lastovich
  • METHODS AND COMPOSITIONS FOR DETECTING MYCOPLASMA EXPOSURE
    Publication number: 20170219604
    Abstract: The present invention provides methods and compositions for detecting Mycoplasma exposure in a subject.
    Type: Application
    Filed: January 27, 2017
    Publication date: August 3, 2017
    Inventors: Robert L. Campbell, Melissa E. Langer, Jasper N. Pollard, Robert L. Cheek, Kevin G. Dolan, W. William Stewart, Stefano Bresolin, John Richard Sink, Tobias M. Heineck, Laura A. Black, Nathan F. Pope, Lauren K. Parker, Erik J. Jensen, Jorge Carlos Correa, Reha O. Azizoglu
  • ASSAYS USING SURFACE-ENHANCED RAMAN SPECTROSCOPY (SERS)-ACTIVE PARTICLES
    Publication number: 20110275061
    Abstract: Disclosed herein are diagnostic assays using surface enhanced Raman spectroscopy (SERS)-active particles, including liquid-based assays; magnetic capture assays; microparticle-nanoparticle satellite structures for signal amplification in an assay; composite SERS-active particles useful for enhanced detection of targets; and sample tubes and processes for using the same.
    Type: Application
    Filed: March 20, 2008
    Publication date: November 10, 2011
    Inventors: Kristin Weidemaier, Christian Sandmann, W. Shannon Dillmore, James L. Schram, W. William Stewart, Robert E. Pearson, Helen Hsieh, Steven Keith, Rajendra R. Bhat, Andrea Liebmann-Vinson, Adam Craig Curry, Alexander G. Lastovich