Patents by Inventor Tommy K. Chau

Tommy K. Chau 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).

  • Multiple encapsulated sweetener delivery system and method of preparation
    Patent number: 4981698
    Abstract: A delivery system for one or more sweeteners offers enhanced up front sweetness intensity in combination with prolonged sweetness duration, and improved protection and stability of the active. The delivery system comprises a first high intensity sweetener encapsulated in a first core coating, and a second outer hydrophilic coating containing up to the solubility limit of the second coating of a second sweetener. The resulting delivery system may be incorporated into a variety of comestible products including chewing gums and other confections, baked goods, oral pharmaceuticals and oral hygiene preparations.
    Type: Grant
    Filed: December 18, 1989
    Date of Patent: January 1, 1991
    Assignee: Warner-Lambert Co.
    Inventors: Subraman R. Cherukuri, Tommy K. Chau, Krishna P. Raman, Angel M. Orama