Patents by Inventor John W. Guyer

John W. Guyer 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).

  • Process for forming a seed polymer
    Patent number: 6127455
    Abstract: A process of forming a seed polymer for use in an emulsion polymerization reaction. The process includes the steps of providing an aqueous mixture of styrene, emulsifying agent, initiator and at least one polymerizable di- or tri-carboxylic acid and then polymerizing the aqueous mixture in the presence of a nonpolymerizable di- or tri-carboxylic acid to form the seed polymer.
    Type: Grant
    Filed: April 14, 1997
    Date of Patent: October 3, 2000
    Assignee: OMNOVA Solutions Inc.
    Inventors: Michael J. Dohard, John W. Guyer, Vincent M. Rasicci