VTechWorks staff will be away for the Memorial Day holiday on Monday, May 27, and will not be replying to requests at that time. Thank you for your patience.

Now showing items 1-2 of 2

    • Method of producing prepolymers from hydroxyalkyl lignin derivatives 

      Center for Innovative Technology; Virginia Polytechnic Institute and State University; Glasser, Wolfgang G.; de Oliveira, Willer; Kelley, Stephen S.; Nieh, Li S. (United States Patent and Trademark Office, 1992-04-07)
      A method of producing prepolymeric materials from lignin is disclosed. The method uses lignin which has been hydroxyalkyl modified, such that the lignin is substantially non-phenolic and solvent soluble and/or liquid. The ...
    • Method of producing star-like polymers from lignin 

      Center for Innovative Technology; Virginia Polytechnic Institute and State University; Glasser, Wolfgang G.; de Oliveira, Willer; Kelley, Stephen S.; Nieh, Li S. (United States Patent and Trademark Office, 1991-11-19)
      A method of producing prepolymeric materials from lignin is disclosed. The method uses lignin which has been hydroxyalkyl modified, such that the lignin is substantially non-phenolic and solvent soluble and/or liquid. The ...