Patents by Inventor Egbert Willem Holman

Egbert Willem Holman 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).

  • Stabilized dibenzoyl peroxides polymer initiator compositions
    Patent number: RE28818
    Abstract: A polymer initiator composition and method for its production are provided, the composition being non-separating and stable and including a substantial amount of a dibenzoyl peroxide and an effective amount of a hydrophobic alkyl group-containing silica in an amount sufficient to prevent the composition from physically separating into its components.
    Type: Grant
    Filed: December 27, 1973
    Date of Patent: May 18, 1976
    Assignee: Akzona Incorporated
    Inventors: Jacobus Johannes Antonius Eymans, Egbert Willem Holman, Hans Jaspers