Patents by Inventor Walter A. Juzukonis

Walter A. Juzukonis 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).

  • Compositions and methods for controlling stickies
    Patent number: 6090905
    Abstract: Mannich-derivatized polyphenolic compositions prepared by the reaction of a phenolic compound having at least two phenol rings with an aldehyde and an amphoteric compound having both a basic moiety and an acidic moiety are disclosed. Methods for utilizing such compositions in the control of stickie formation in papermaking are also disclosed.
    Type: Grant
    Filed: February 12, 1999
    Date of Patent: July 18, 2000
    Assignee: Calgon Corporation
    Inventors: Walter A. Juzukonis, Shih-Ruey T. Chen