Patents by Inventor Daivd E. Laycock

Daivd E. Laycock 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).

  • Polymerization of ethylene oxide using metal cyanide catalysts
    Publication number: 20020198413
    Abstract: Ethoxylations of various initiator compounds are performed in the presence of metal cyanide catalysts. The catalysts surprisingly form a wide variety of polyether products that in most cases contain only small amounts of high molecular weight poly(ethylene oxide).
    Type: Application
    Filed: April 24, 2002
    Publication date: December 26, 2002
    Inventors: Katherine S. Clement, Louis L. Walker, Richard M. Wehmeyer, Robert H. Whitmarsh, David C. Molzahn, William P. Dianis, Daivd E. Laycock, John W. Weston, Richard J. Elwell