Patents by Inventor George W. Lauderdale

George W. Lauderdale 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).

  • Method for recovery of riboflavin
    Patent number: 5103005
    Abstract: A method for the recovery of riboflavin from a fermentation broth or other feed stock is disclosed. The method comprises a process for the production of large, pure riboflavin crystals from an alkaline, aqueous solution containing solubilized riboflavin. The method can further comprise the process for production of large, pure riboflavin crystals in combination with two solids/liquid separation steps, the latter of which can result in a final riboflavin product purity of at least about 96% by weight.
    Type: Grant
    Filed: July 21, 1989
    Date of Patent: April 7, 1992
    Assignee: Coors Biotech, Inc.
    Inventors: Dale C. Gyure, George W. Lauderdale