Patents by Inventor Hiroiku Kawai

Hiroiku Kawai 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).

  • Dehydrogenation process with water control
    Publication number: 20090275792
    Abstract: The activity of a dehydrogenation catalyst is improved by increasing the water concentration maintained in the reactants toward the start of the catalyst's life, but after the catalyst has deactivated to the extent that the temperature required to maintain the conversion per pass of paraffinic hydrocarbon through the reaction zone increases by at least 2° C.
    Type: Application
    Filed: February 17, 2006
    Publication date: November 5, 2009
    Inventors: Christopher J. Vogel, Dean E. Rende, Andrea G. Bozzano, Paul G. Wing, Hiroiku Kawai