Patents by Inventor Herbert Pender, Jr.

Herbert Pender, Jr. 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).

  • Method of making paper containing cationic starch and an anionic retention aid
    Patent number: 4066495
    Abstract: This application covers the use of a cationic starch and a polyacrylamide polymer as a retention aid in the manufacture of paper. The resulting paper containing the additives is characterized by improved retention of pigments.
    Type: Grant
    Filed: June 26, 1974
    Date of Patent: January 3, 1978
    Assignee: Anheuser-Busch, Incorporated
    Inventors: John E. Voigt, Herbert Pender, Jr.