Patents by Inventor Steven T. Govoni

Steven T. Govoni 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).

  • High molecular weight cationic and anionic polymers comprising zwitterionic monomers
    Patent number: 6709551
    Abstract: This invention is directed to high molecular weight water-soluble polymers comprised of zwitterionic, nonionic and cationic or anionic monomer units, and to the use of these polymers in papermaking processes.
    Type: Grant
    Filed: December 17, 2001
    Date of Patent: March 23, 2004
    Assignee: Ondeo Nalco Company
    Inventors: Martin J. Coffey, Steven T. Govoni, Arthur J. Begala, Ross T. Gray, Patrick G. Murray
  • High molecular weight cationic and anionic polymers comprising zwitterionic monomers
    Publication number: 20030155091
    Abstract: This invention is directed to high molecular weight water-soluble polymers comprised of zwitterionic, nonionic and cationic or anionic monomer units, and to the use of these polymers in papermaking processes.
    Type: Application
    Filed: December 17, 2001
    Publication date: August 21, 2003
    Inventors: Martin J. Coffey, Steven T. Govoni, Arthur J. Begala, Ross T. Gray, Patrick G. Murray