Patents by Inventor Russ L. Kiekhaefer

Russ L. Kiekhaefer 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 producing cross-linked polyallylamine polymer
    Patent number: 6180754
    Abstract: Disclosed are reduced salt polyallylamine polymer compositions, a process for producing a cross-linked polyallylamine polymer from a reduced salt, aqueous solution of a polyallylamine polymer and a multifunctional cross-linking agent and to cross-linked polyallylamine polymer compositions produced thereby.
    Type: Grant
    Filed: September 3, 1999
    Date of Patent: January 30, 2001
    Assignee: The Dow Chemical Company
    Inventors: Kenneth J. Stutts, Russ L. Kiekhaefer