Patents by Inventor Ketan Trivedi

Ketan Trivedi 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 of enhancing color in a tea-based foodstuff
    Patent number: 5879730
    Abstract: A method of inducing the formation of color determining compounds in a tea-based food product, characterized in that the tea leaves are treated with an exogenous laccase, polyphenol oxidase or peroxidase, in combination with a pretreatment with a tannase. Also, a treatment with a fungal laccase form a Pleurotus species can be performed to enhance the color of a tea-based product.
    Type: Grant
    Filed: March 4, 1997
    Date of Patent: March 9, 1999
    Assignee: Lipton, Division of Conoco Inc.
    Inventors: Elisabeth Cornelia Bouwens, Ketan Trivedi, Cornelis van Vliet, Cornelis Winkel