Patents by Inventor Kenneth T. Chung

Kenneth T. Chung 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).

  • Titanium dioxide dispersions, cosmetic compositions and methods for using same
    Patent number: 5468471
    Abstract: A novel organic dispersion comprises microfine titanium dioxide and a suitable branched chain organic without the use of any dispersing agent. The novel dispersion provide uniquely high SPF with low levels of dry weight titanium dioxide. Methods for preparing said dispersion and cosmetic sunscreen compositions comprising said dispersion are also included within the invention.
    Type: Grant
    Filed: August 19, 1994
    Date of Patent: November 21, 1995
    Assignee: Estee Lauder, Inc.
    Inventors: Julius R. Zecchino, Steven Messin, Cathleen Corcoran, Kenneth T. Chung