Patents by Inventor Judy B. Chung

Judy B. 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).

  • Water-in-oil-in-water compositions
    Patent number: 5942216
    Abstract: Water-in-oil-in-water multiple emulsion compositions are disclosed. The multiple emulsion compositions comprise an external aqueous phase optionally incorporating a surfactant system capable of forming liquid crystals as an emulsifier. The internal phase comprises a primary water-in-oil emulsion, wherein the primary emulsion comprises a first topically-active compound, a surfactant phase, an oil phase, and water.
    Type: Grant
    Filed: February 21, 1997
    Date of Patent: August 24, 1999
    Assignee: Helene Curtis, Inc.
    Inventors: Craig A. Herb, Liang Bin Chen, Judy B. Chung, Michelle A. Long, Wei Mei Sun
  • Shampoo-conditioner composition
    Patent number: 5614180
    Abstract: A method of treating hair and a hair shampoo-conditioner composition comprising a cleansing surfactant, a water-insoluble primary amine, a sufficient amount of a suitable-acid and a carrier comprising water, are disclosed. The shampoo-conditioner compositions effectively clean and condition the hair.
    Type: Grant
    Filed: November 9, 1994
    Date of Patent: March 25, 1997
    Assignee: Helene Curtis, Inc.
    Inventor: Judy B. Chung
  • Rinse-off water-in-oil-in-water compositions
    Patent number: 5589177
    Abstract: Rinse-off, water-in-oil-in-water multiple emulsion compositions are disclosed. The multiple emulsion compositions comprise an external aqueous phase optionally incorporating an emulsifier and/or a second topically-active compound. The internal phase comprises a primary water-in-oil emulsion, wherein the primary emulsion comprises a first topically-active compound, a surfactant phase, an oil phase, and water.
    Type: Grant
    Filed: December 6, 1994
    Date of Patent: December 31, 1996
    Assignee: Helene Curtis, Inc.
    Inventors: Craig A. Herb, Liang B. Chen, Judy B. Chung, Michelle A. Long, Wei M. Sun, Gerald P. Newell, Kimberly Kamis, Richard M. Brucks