Patents by Inventor Andrew Stephen Boswell

Andrew Stephen Boswell 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).

  • Lignin Derivatives
    Publication number: 20160229879
    Abstract: The present invention provides lignin derivatives having a certain physical and/or chemical properties. In particular, the lignin derivatives of the invention have particular NMR spectral characteristics, impurity content, average molecular weight, and/or other characteristics.
    Type: Application
    Filed: February 10, 2015
    Publication date: August 11, 2016
    Applicant: PUREVISION TECHNOLOGY, LLC
    Inventors: Dhrubojyoti Dey Laskar, John Allen Yegge, Andrew Stephen Boswell, Sara Jordan Chmelka, Leslie W. Joy, Ryan Carl Allen Tarrant, David Cole DeCoster, Richard C. Wingerson, Edwin R. Lehrburger