Patents by Inventor Robert B. Blum

Robert B. Blum 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).

  • Alpha-L-aspartyl-D-heteroaromatic-substituted glycine esters and amides useful as high intensity sweeteners
    Patent number: 4692513
    Abstract: Alpha-L-Aspartyl-D-heteroaromatic-substituted glycine esters and amides are disclosed to be useful as high intensity sweeteners. These compounds can be used to sweeten a variety of foods, beverages and other oral products.
    Type: Grant
    Filed: December 20, 1985
    Date of Patent: September 8, 1987
    Assignee: The Procter & Gamble Company
    Inventors: Robert B. Blum, John M. Gardlik, John M. Janusz, George P. Rizzi