Patents by Inventor Wiliam Jackson HAGAR

Wiliam Jackson HAGAR 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).

  • Publication number: 20200109056
    Abstract: Silica particles having a BET surface area from 0.1 to 7 m2/g, a pack density from 35 to 55 lb/ft3, an Einlehner abrasion value from 8 to 25 mg lost/100,000 revolutions, a total mercury intrusion pore volume from 0.7 to 1.2 cc/g, and a stannous compatibility from 70 to 99%, are disclosed, as well as methods for making these silica particles.
    Type: Application
    Filed: December 1, 2017
    Publication date: April 9, 2020
    Applicant: Evonik Degussa GmbH
    Inventors: Karl William GALLIS, Wiliam Jackson HAGAR, Terry William NASSIVERA, Lawrence Edward DOLAN, Sanjeev MIDHA, Eva SCHNEIDERMAN