Patents by Inventor James David Vidra

James David Vidra 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).

  • Oral compositions containing dextranase
    Patent number: 4115546
    Abstract: Oral compositions containing dextranase and a stabilizer/activator selected from the group consisting of manganeous ions, calcium ions, magnesium ions, and mixtures thereof.
    Type: Grant
    Filed: August 16, 1976
    Date of Patent: September 19, 1978
    Assignee: Colgate Palmolive Company
    Inventors: James David Vidra, Julius Harvey Nachtigal
  • Oral compositions containing dextranase
    Patent number: 3991177
    Abstract: Oral compositions containing dextranase and a stabilizer/activator selected from the group consisting of manganeous ions, calcium ions, and mixtures thereof.
    Type: Grant
    Filed: March 12, 1975
    Date of Patent: November 9, 1976
    Assignee: Colgate-Palmolive Company
    Inventors: James David Vidra, Julius Harvey Nachtigal