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 ...