Patents by Inventor Vishesh H. Shah

Vishesh H. Shah 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: 10125076
    Abstract: A process comprising subjecting a composition comprising an alpha- or beta-hydroxycarboxylic acid, water, an extraction solvent, and an acid catalyst to extractive dehydration to form an unsaturated carboxylic acid product.
    Type: Grant
    Filed: June 25, 2015
    Date of Patent: November 13, 2018
    Assignee: Dow Global Technologies LLC
    Inventors: Timothy C. Frank, Vishesh H. Shah, Paul A. Larsen
  • Publication number: 20170144956
    Abstract: A process comprising subjecting a composition comprising an alpha- or beta-hydroxycarboxylic acid, water, an extraction solvent, and an acid catalyst to extractive dehydration to form an unsaturated carboxylic acid product.
    Type: Application
    Filed: June 25, 2015
    Publication date: May 25, 2017
    Inventors: Timothy C. Frank, Vishesh H. Shah, Paul A. Larsen