Patents by Inventor Elmer Domba

Elmer Domba 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).

  • Patent number: 3989636
    Abstract: This invention discloses novel amino acid-epihalohydrin copolymers with good chelating properties.
    Type: Grant
    Filed: June 19, 1975
    Date of Patent: November 2, 1976
    Assignee: Nalco Chemical Company
    Inventor: Elmer Domba