Patents by Inventor John M. Cornelius

John M. Cornelius 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).

  • Spherical silica for tubule occlusion
    Patent number: 11548788
    Abstract: Spherical silica and/or silicate particles having a d50 median particle size from 1 to 5 ?m, a d95 particle size less than 8 ?m, an oil absorption from 40 to 100 cc/100 g, a pack density from 20 to 60 lb/ft3, and a sphericity factor (S80) of at least 0.9, are disclosed, as well as methods for making these spherical particles, and dentifrice compositions containing the spherical particles.
    Type: Grant
    Filed: August 24, 2018
    Date of Patent: January 10, 2023
    Assignee: Evonik Operations GmbH
    Inventors: John M. Cornelius, William J. Hagar, Karl W. Gallis, Terry W. Nassivera
  • SPHERICAL SILICA FOR TUBULE OCCLUSION
    Publication number: 20210024359
    Abstract: Spherical silica and/or silicate particles having a d50 median particle size from 1 to 5 ?m, a d95 particle size less than 8 ?m, an oil absorption from 40 to 100 cc/100 g, a pack density from 20 to 60 lb/ft3, and a sphericity factor (S80) of at least 0.9, are disclosed, as well as methods for making these spherical particles, and dentifrice compositions containing the spherical particles.
    Type: Application
    Filed: August 24, 2018
    Publication date: January 28, 2021
    Applicant: Evonik Operations GmbH
    Inventors: John M. CORNELIUS, William J. HAGAR, Karl W. GALLIS, Terry W. NASSIVERA
  • Composite abrasive material for oral compositions, and methods of making and using same
    Patent number: 6645471
    Abstract: A composition of matter comprising particles of silica, where the silica particles have surfaces at which condensed phosphate is retained, and a production methodology therefor. Oral compositions containing this composition of matter are also presented, which are endowed with enhanced cleaning efficacy.
    Type: Grant
    Filed: November 8, 2001
    Date of Patent: November 11, 2003
    Assignee: J. M. Huber Corporation
    Inventors: John M. Cornelius, Michel J. Martin
  • Composite abrasive material for oral compositions, and methods of making and using same
    Publication number: 20030124069
    Abstract: A composition of matter comprising particles of silica, where the silica particles have surfaces at which condensed phosphate is retained, and a production methodology therefor. Oral compositions containing this composition of matter are also presented, which are endowed with enhanced cleaning efficacy.
    Type: Application
    Filed: November 8, 2001
    Publication date: July 3, 2003
    Applicant: J.M. Huber Corporation
    Inventors: John M. Cornelius, Michel J. Martin