Patents by Inventor Thomas Joseph Fyve

Thomas Joseph Fyve 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).

  • Method for purification of aromatic polyethers
    Patent number: 6630568
    Abstract: Aromatic polyethers are prepared by displacement polymerization reaction in the presence of a water-immiscible solvent with density ratio to water in a range of between about 0.9:1 and about 1.1:1 measured at a temperature in a range of between about 20° C. and about 25° C. The polyethers are purified by processes comprising aqueous extraction, or filtration, or a combination thereof.
    Type: Grant
    Filed: March 23, 2001
    Date of Patent: October 7, 2003
    Assignee: General Electric Company
    Inventors: Norman Enoch Johnson, Raul Eduardo Ayala, Thomas Joseph Fyve, Amy Rene Freshour, David Winfield Woodruff, Peter David Phelps, Ganesh Kailasam