Patents by Inventor Stephen M. Bryan

Stephen M. Bryan 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).

  • Process for Fly Ash Beneficiation
    Publication number: 20040231566
    Abstract: A process is disclosed for converting low reactive fly ash to a highly reactive pozzolanic material by heating the fly ash until at least a portion of the fly ash melts; then rapidly cooling the fly ash. The resulting vitrified fly ash has improved cementitious properties relative to untreated fly ash.
    Type: Application
    Filed: May 20, 2003
    Publication date: November 25, 2004
    Applicant: CEMEX INC.
    Inventors: Hugh H. Wang, Stephen M. Bryan