Patents by Inventor Phyllis J. Pierce

Phyllis J. Pierce 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: 4551431
    Abstract: A dry, stable, particulate hydrous gel/protein composite prepared by coprecipitating by alkaline treatment a hydrous aluminum, gallium, or indium gel, and a protein, separating, and drying such as precipitating an aluminum hydroxide gel and an enzyme and drying. The dried composite can be ground and sized.
    Type: Grant
    Filed: April 21, 1983
    Date of Patent: November 5, 1985
    Assignee: Phillips Petroleum Company
    Inventor: Phyllis J. Pierce