Patents by Inventor William Jackson Hagar

William 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).

  • Dentifrice formulations having spherical stannous compatible silica particles for reduced RDA
    Patent number: 11351098
    Abstract: Dentifrice containing silica particles having a d50 median particle size from 4 to 25 ?m, a BET surface area of less than 10 m2/g, and a total mercury intrusion pore volume from 0.2 to 1.5 cc/g, are disclosed.
    Type: Grant
    Filed: June 12, 2019
    Date of Patent: June 7, 2022
    Assignee: The Procter & Gamble Company
    Inventors: Lawrence Edward Dolan, Sanjeev Midha, Eva Schneiderman, Karl William Gallis, William Jackson Hagar, Terry William Nassivera
  • Dentifrice Formulations Having Spherical Stannous Compatible Silica Particles for Reduced RDA
    Publication number: 20190374448
    Abstract: Dentifrice containing silica particles having a d50 median particle size from 4 to 25 ?m, a BET surface area of less than 10 m2/g, and a total mercury intrusion pore volume from 0.2 to 1.5 cc/g, are disclosed.
    Type: Application
    Filed: June 12, 2019
    Publication date: December 12, 2019
    Inventors: Lawrence Edward Dolan, Sanjeev Midha, Eva Schneiderman, Karl William Gallis, William Jackson Hagar, Terry William Nassivera
  • Dentifice compositions containing stannous compatible silica particles
    Patent number: 10328002
    Abstract: A dentifrice composition containing an abrasive and a stannous ion source. The abrasive can contain precipitated silica particles where the extractable stannous ions after 30 days at 40° C. is greater than about 75% of the initial extractable stannous ion concentration.
    Type: Grant
    Filed: December 1, 2017
    Date of Patent: June 25, 2019
    Assignee: THE PROCTER & GAMBLE COMPANY
    Inventors: Lawrence Edward Dolan, Sanjeev Midha, Eva Schneiderman, Karl William Gallis, William Jackson Hagar, Terry William Nassivera
  • Dentifice Compositions Containing Stannous Compatible Silica Particles
    Publication number: 20180168958
    Abstract: A dentifrice composition containing an abrasive and a stannous ion source. The abrasive can contain precipitated silica particles where the extractable stannous ions after 30 days at 40° C. is greater than about 75% of the initial extractable stannous ion concentration.
    Type: Application
    Filed: December 1, 2017
    Publication date: June 21, 2018
    Inventors: Lawrence Edward Dolan, Sanjeev Midha, Eva Schneiderman, Karl William Gallis, William Jackson Hagar, Terry William Nassivera