Patents by Inventor Karl W. Gallis

Karl W. Gallis 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).

  • 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
  • Patent number: 11285088
    Abstract: Silica particles having a d50 median particle size of at least 6 ?m, a ratio of (d90?d10)/d50 from 1.1 to 2.4, a RDA at 20 wt. % loading from 40 to 200, and a sphericity factor (S80) of at least 0.9, are disclosed, as well as methods for making these silica particles, and dentifrice compositions containing the silica particles.
    Type: Grant
    Filed: August 28, 2018
    Date of Patent: March 29, 2022
    Assignee: Evonik Operations GmbH
    Inventors: William J. Hagar, Terry W. Nassivera, Karl W. Gallis
  • Publication number: 20210309529
    Abstract: Silica particles having a d50 median particle size from 8 to 20 ?m, a sphericity factor (S80) of at least 0.9, a BET surface area from 0.1 to 8 m2/g, a total mercury intrusion pore volume from 0.35 to 0.8 cc/g, and a loss on ignition from 3 to 7 wt. %, are disclosed, as well as methods for making these silica particles, and dentifrice compositions containing the silica particles.
    Type: Application
    Filed: June 12, 2019
    Publication date: October 7, 2021
    Inventors: Karl W. Gallis, William J. Hagar, Terry W. Nassivera, Lawrence Edward Dolan, Sanjeev Midha, Eva Schneiderman
  • 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
  • Publication number: 20200206107
    Abstract: Silica particles having ad50 median particle size of at least 6 ?m, a ratio of (d90?d10)/d50 from 1.1 to 2.4, a RDA at 20 wt. % loading from 40 to 200, and a sphericity factor (S80) of at least 0.9, are disclosed, as well as methods for making these silica particles, and dentifrice compositions containing the silica particles.
    Type: Application
    Filed: August 28, 2018
    Publication date: July 2, 2020
    Applicant: Evonik Operations GmbH
    Inventors: William J. HAGAR, Terry W. NASSIVERA, Karl W. GALLIS
  • Patent number: 10287438
    Abstract: Color-bleed resistant pigment particles containing an anionic dye, a quaternary ammonium compound, and a silica and/or silicate material having a negative zeta potential are disclosed. Related methods of making these colored pigment particles also are provided.
    Type: Grant
    Filed: May 4, 2016
    Date of Patent: May 14, 2019
    Assignee: Evonik Degussa GmbH
    Inventors: Terry W. Nassivera, Karl W. Gallis
  • Patent number: 9617162
    Abstract: Disclosed herein is a continuous process for preparing a silica product, comprising: (a) continuously feeding an acidulating agent and an alkali metal silicate into a loop reaction zone comprising a stream of liquid medium; wherein at least a portion of the acidulating agent and the alkali metal silicate react to form a silica product in the liquid medium of the loop reaction zone; (b) continuously recirculating the liquid medium through the loop reaction zone; and (c) continuously discharging from the loop reaction zone a portion of the liquid medium comprising the silica product. Silica products and dentifrice compositions comprising the silica products are also disclosed. A continuous loop reactor is also disclosed.
    Type: Grant
    Filed: April 4, 2016
    Date of Patent: April 11, 2017
    Assignee: J.M. Huber Corporation
    Inventors: William J. Hagar, Karl W. Gallis
  • Publication number: 20160326373
    Abstract: Color-bleed resistant pigment particles containing an anionic dye, a quaternary ammonium compound, and a silica and/or silicate material having a negative zeta potential are disclosed. Related methods of making these colored pigment particles also are provided.
    Type: Application
    Filed: May 4, 2016
    Publication date: November 10, 2016
    Inventors: Terry W. Nassivera, Karl W. Gallis
  • Publication number: 20160214865
    Abstract: Disclosed herein is a continuous process for preparing a silica product, comprising: (a) continuously feeding an acidulating agent and an alkali metal silicate into a loop reaction zone comprising a stream of liquid medium; wherein at least a portion of the acidulating agent and the alkali metal silicate react to form a silica product in the liquid medium of the loop reaction zone; (b) continuously recirculating the liquid medium through the loop reaction zone; and (c) continuously discharging from the loop reaction zone a portion of the liquid medium comprising the silica product. Silica products and dentifrice compositions comprising the silica products are also disclosed. A continuous loop reactor is also disclosed.
    Type: Application
    Filed: April 4, 2016
    Publication date: July 28, 2016
    Inventors: William J. Hagar, Karl W. Gallis
  • Patent number: 9327988
    Abstract: Disclosed herein is a continuous process for preparing a silica product, comprising: (a) continuously feeding an acidulating agent and an alkali metal silicate into a loop reaction zone comprising a stream of liquid medium; wherein at least a portion of the acidulating agent and the alkali metal silicate react to form a silica product in the liquid medium of the loop reaction zone; (b) continuously recirculating the liquid medium through the loop reaction zone; and (c) continuously discharging from the loop reaction zone a portion of the liquid medium comprising the silica product. Silica products and dentifrice compositions comprising the silica products are also disclosed. A continuous loop reactor is also disclosed.
    Type: Grant
    Filed: December 2, 2014
    Date of Patent: May 3, 2016
    Assignee: J.M. Huber Corporation
    Inventors: William J. Hagar, Karl W. Gallis
  • Publication number: 20160038387
    Abstract: Treated silica materials are disclosed, together with methods of making such materials and dentifrice compositions comprising the treated silica materials.
    Type: Application
    Filed: October 23, 2015
    Publication date: February 11, 2016
    Inventors: Karl W. Gallis, William J. Hagar, Patrick McGill, Terry W. Nassivera
  • Patent number: 9186307
    Abstract: Treated silica materials are disclosed, together with methods of making such materials and dentifrice compositions comprising the treated silica materials.
    Type: Grant
    Filed: March 15, 2013
    Date of Patent: November 17, 2015
    Assignee: J.M. Huber Corporation
    Inventors: Karl W. Gallis, William J. Hagar, Patrick McGill, Terry W. Nassivera
  • Patent number: 9028605
    Abstract: Disclosed herein are architectural coating compositions comprising spheroid shaped silica or silicate. The compositions exhibit a number of improved properties and are useful on a variety of substrates.
    Type: Grant
    Filed: February 16, 2012
    Date of Patent: May 12, 2015
    Assignee: J.M. Huber Corporation
    Inventors: William J. Hagar, Ronald L. Romer, William C. Fultz, Karl W. Gallis
  • Publication number: 20150086463
    Abstract: Disclosed herein is a continuous process for preparing a silica product, comprising: (a) continuously feeding an acidulating agent and an alkali metal silicate into a loop reaction zone comprising a stream of liquid medium; wherein at least a portion of the acidulating agent and the alkali metal silicate react to form a silica product in the liquid medium of the loop reaction zone; (b) continuously recirculating the liquid medium through the loop reaction zone; and (c) continuously discharging from the loop reaction zone a portion of the liquid medium comprising the silica product. Silica products and dentifrice compositions comprising the silica products are also disclosed. A continuous loop reactor is also disclosed.
    Type: Application
    Filed: December 2, 2014
    Publication date: March 26, 2015
    Inventors: William J. Hagar, Karl W. Gallis
  • Patent number: 8945517
    Abstract: Disclosed herein is a continuous process for preparing a silica product, comprising: (a) continuously feeding an acidulating agent and an alkali metal silicate into a loop reaction zone comprising a stream of liquid medium; wherein at least a portion of the acidulating agent and the alkali metal silicate react to form a silica product in the liquid medium of the loop reaction zone; (b) continuously recirculating the liquid medium through the loop reaction zone; and (c) continuously discharging from the loop reaction zone a portion of the liquid medium comprising the silica product. Silica products and dentifrice compositions comprising the silica products are also disclosed. A continuous loop reactor is also disclosed.
    Type: Grant
    Filed: November 13, 2013
    Date of Patent: February 3, 2015
    Assignee: J. M. Huber Corporation
    Inventors: William J. Hagar, Karl W. Gallis
  • Publication number: 20140272012
    Abstract: Carrier materials and salt delivery compositions that can be useful in the delivery of a salt solution are disclosed, together with methods for the preparation and use thereof.
    Type: Application
    Filed: March 11, 2014
    Publication date: September 18, 2014
    Inventors: Karl W. Gallis, Terry W. Nassivera
  • Publication number: 20140271749
    Abstract: Disclosed herein are silica materials comprising an adduct on at least a portion of a surface thereof. The silica materials are capable of binding volatile sulfur compounds (VSC)s and thereby reducing oral malodor. Also disclosed are dentifrice compositions, oral care compositions comprising the silica materials, and methods of making and using the silica materials.
    Type: Application
    Filed: May 29, 2014
    Publication date: September 18, 2014
    Applicant: J.M. Huber Corporation
    Inventors: Karl W. Gallis, Terry W. Nassivera, William H. Pitcock, JR.
  • Publication number: 20140140938
    Abstract: Treated silica materials are disclosed, together with methods of making such materials and dentifrice compositions comprising the treated silica materials.
    Type: Application
    Filed: March 15, 2013
    Publication date: May 22, 2014
    Inventors: Karl W. Gallis, William J. Hagar, Patrick McGill, Terry W. Nassivera
  • Publication number: 20140072634
    Abstract: Disclosed herein is a continuous process for preparing a silica product, comprising: (a) continuously feeding an acidulating agent and an alkali metal silicate into a loop reaction zone comprising a stream of liquid medium; wherein at least a portion of the acidulating agent and the alkali metal silicate react to form a silica product in the liquid medium of the loop reaction zone; (b) continuously recirculating the liquid medium through the loop reaction zone; and (c) continuously discharging from the loop reaction zone a portion of the liquid medium comprising the silica product. Silica products and dentifrice compositions comprising the silica products are also disclosed. A continuous loop reactor is also disclosed.
    Type: Application
    Filed: November 13, 2013
    Publication date: March 13, 2014
    Inventors: William J. Hagar, Karl W. Gallis
  • Patent number: 8609068
    Abstract: Disclosed herein is a continuous process for preparing a silica product, comprising: (a) continuously feeding an acidulating agent and an alkali metal silicate into a loop reaction zone comprising a stream of liquid medium; wherein at least a portion of the acidulating agent and the alkali metal silicate react to form a silica product in the liquid medium of the loop reaction zone; (b) continuously recirculating the liquid medium through the loop reaction zone; and (c) continuously discharging from the loop reaction zone a portion of the liquid medium comprising the silica product. Silica products and dentifrice compositions comprising the silica products are also disclosed. A continuous loop reactor is also disclosed.
    Type: Grant
    Filed: February 24, 2010
    Date of Patent: December 17, 2013
    Assignee: J.M. Huber Corporation
    Inventors: William J. Hagar, Karl W. Gallis