Patents by Inventor J. Donald Wiggins

J. Donald Wiggins 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).

  • Coprocessed microcrystalline cellulose and calcium carbonate composition and its preparation
    Patent number: 4744987
    Abstract: A particulate coprocessed microcrystalline cellulose and calcium carbonate composition having the respective components present in a weight ratio of from about 75:25 to 35:65. The composition is useful as a pharmaceutical excipient.The coprocessed composition is prepared by forming a well-dispersed aqueous slurry of microcrystalline cellulose and calcium carbonate and then drying the slurry, preferably by spray drying, to yield a particulate product.
    Type: Grant
    Filed: August 3, 1987
    Date of Patent: May 17, 1988
    Assignee: FMC Corporation
    Inventors: Dev K. Mehra, Kenneth P. West, J. Donald Wiggins