Patents by Inventor Willard C. Brinegar

Willard C. Brinegar 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).

  • Continuous process for the production of anhydrosugar alcohols
    Patent number: 6639067
    Abstract: A process is described for continuous production of anhydrosugar alcohol by continuous introducing of sugar alcohols and/or monoanhydrosugar alcohols into a reaction vessel and dehydration in the presence of an acid catalyst and solvent in which the resultant reaction product is soluble. Water and the solvent having the dissolved reaction product are each cointinuously removed from the reaction vessel. The reaction product is separated from the removed solvent and the product is optionally purified to a purity of 99.0% the solvent is recycled in the reaction vessel.
    Type: Grant
    Filed: September 27, 2001
    Date of Patent: October 28, 2003
    Inventors: Willard C. Brinegar, Michael Wohlers, Michael A. Hubbard, Edward G. Zey, George Kvakovszky, Thomas H. Shockley, Rainer Roesky, Uwe Dingerdissen, Werner Kind