Patents by Inventor Kathryn M. Yocom

Kathryn M. Yocom 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 polymerization of itaconic acid
    Patent number: 5336744
    Abstract: Polymers of itaconic acid are formed at high conversion by an aqueous polymerization process of partially neutralized monomer solution, water, polyvalent metal ion and initiator.Polymers produced according to the process of the invention are useful as detergent additives, scale inhibitors and removers, sequestrants, yarn sizers, deflocculating agents, de-inking agents, suspending agents and dispersing agents.
    Type: Grant
    Filed: March 17, 1993
    Date of Patent: August 9, 1994
    Assignee: Rohm and Haas Company
    Inventors: Graham Swift, Kathryn M. Yocom