Patents by Inventor Lyle E. Martz

Lyle E. Martz 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 separating and recovering concentrated hydrochloric acid from the crude product obtained from the acid hydrolysis of cellulose
    Patent number: 4237110
    Abstract: The crude product obtained from the acid hydrolysis of cellulose, the product comprising concentrated hydrochloric acid and the various sugars obtained from the acid hydrolysis of cellulose, is separated into a first fraction comprising concentrated hydrochloric acid and a second fraction comprising the sugars by a process comprising:(1) contacting the crude product with an organic solvent consisting essentially of at least one C.sub.5 -C.sub.9 alcohol such that the organic solvent is enriched with the concentrated hydrochloric acid,(2) separating the enriched organic solvent from the concentrated hydrochloric acid depleted crude product, and(3) recovering the concentrated hydrochloric acid from the enriched organic solvent.
    Type: Grant
    Filed: April 30, 1979
    Date of Patent: December 2, 1980
    Assignee: The Dow Chemical Company
    Inventors: Allen V. Forster, Lyle E. Martz, Douglas E. Leng