Patents by Inventor Preston A. Wells, Jr.

Preston A. Wells, Jr. 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).

  • Method for the manufacture of furfural using hydrogen chloride
    Patent number: 4001283
    Abstract: A method for producing furfural from pentosan-containing materials wherein steam and a volatile acid catalyst are introduced into a bed of the pentosan-containing material, the moisture content of which is minimized.
    Type: Grant
    Filed: September 14, 1970
    Date of Patent: January 4, 1977
    Inventor: Preston A. Wells, Jr.