Patents by Inventor Thomas A. Bringhurst

Thomas A. Bringhurst 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).

  • Patent number: 5053231
    Abstract: Carbohydrate or material containing carbohydrate such as cereal, corn, rice, sorghum, potato and the like including Biomass and other sources of cellulose or non-fermentable sugars, is mixed with water and heated in the presence of a surfactant, typically a non-ionic detergent. The process may avoid the need for a subsequent pressure cooking step prior to fermentation to yield alcohol.
    Type: Grant
    Filed: March 2, 1989
    Date of Patent: October 1, 1991
    Inventors: Harry L. Riffkin, Thomas A. Bringhurst, James D. Gray