Patents by Inventor Andrew E. Wilde

Andrew E. Wilde 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).

  • Process for making toothpaste
    Patent number: 5030444
    Abstract: The invention concerns a process for making a toothpaste containing an abrasive agent and a binder consisting wholly or partly of guar gum or other plant gum. The plant gum is hydrated by a liquid hydration medium consisting of water and 0 to 33% by weight of the hydration medium of sorbitol. To hydrate the plant gum it is mixed with the hydration medium in the presence of sufficient of the abrasive agent to produce enough shear to give a smooth cream. Other conventional ingredients are then mixed in.
    Type: Grant
    Filed: July 21, 1989
    Date of Patent: July 9, 1991
    Assignee: Chesebrough-Pond's USA Co., division of Conopco, Inc.
    Inventors: Ronald Hoyles, Andrew E. Wilde