Patents by Inventor Peter John Newman

Peter John Newman 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 including a lustre imparting agent
    Patent number: 3981988
    Abstract: Dentifrices containing an abrasive cleaning agent and a lustre agent impart an enhanced lustre to the teeth through the use as lustre agent of pyrogenic alumina.
    Type: Grant
    Filed: March 29, 1974
    Date of Patent: September 21, 1976
    Assignee: Lever Brothers Company
    Inventors: Peter John Newman, Charles Andrew Watson
  • Dentifrice including luster imparting agent
    Patent number: 3978205
    Abstract: Dentifrices containing an abrasive cleaning agent and a luster agent impart an enhanced luster to the teeth through the use as luster agent of fumed silica obtained by vaporizing and recondensing silica.
    Type: Grant
    Filed: March 29, 1974
    Date of Patent: August 31, 1976
    Assignee: Lever Brothers Company
    Inventors: Peter John Newman, Charles Andrew Watson