Patents by Inventor Paul C. Tchinnis

Paul C. Tchinnis 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).

  • Clear water-in-oil emulsions
    Patent number: 6379682
    Abstract: The invention relates to a cosmetic or pharmaceutical clear water-in-oil emulsion, comprising a water droplet phase dispersed in an oil phase, the average droplet size being no greater than about 1&mgr;, the refractive indices of the oil and water phases being matched to within 3 parts in 10,000.
    Type: Grant
    Filed: February 7, 2000
    Date of Patent: April 30, 2002
    Assignee: Color Access, Inc.
    Inventors: Paul C. Tchinnis, Zsolt Bagdi, Peter J. Lentini
  • Sprayable compositions containing dispersed powders and methods for using the same
    Patent number: 5665368
    Abstract: Stable, sprayable compositions suitable for topical application to human skin or hair are provided, along with a method for their preparation. The compositions comprise water-in-oil emulsions and a variety of substantially insoluble dispersed powder. The compositions are useful for applying color to human skin or hair, for protecting human skin from ultraviolet radiation, and for treating human skin or hair with a dermatologically active agent. The compositions have unique suspending power, stability and dispersibility for water-in-oil emulsions.
    Type: Grant
    Filed: November 19, 1996
    Date of Patent: September 9, 1997
    Assignee: Estee Lauder, Inc.
    Inventors: Peter J. Lentini, Paul C. Tchinnis