Patents by Inventor Mei Sun

Mei Sun 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).

  • Topically effective antiperspirant compositions
    Patent number: 5833965
    Abstract: Gelled or solid topically-effective compositions comprising a topically-active compound, like an antiperspirant compound; a borate crosslinker; a surfactant, and preferably, a nonionic surfactant or nonionic surfactant blend; a carrier comprising water; and, optionally, a hydrophobic compound, are disclosed.
    Type: Grant
    Filed: May 8, 1996
    Date of Patent: November 10, 1998
    Assignee: Helene Curtis, Inc.
    Inventors: Wei Mei Sun, Zhu-ning Ma, Maximo M. Panitch, Ramiro Galleguillos
  • Antiperspirant deodorant compositions
    Patent number: 5672340
    Abstract: Gelled or solid topically-effective compositions comprising a topically-active compound, like an antiperspirant compound; a borate crosslinker; a surfactant, and preferably, a nonionic surfactant or nonionic surfactant blend; a carrier comprising water; and, optionally, a hydrophobic compound, are disclosed.
    Type: Grant
    Filed: March 7, 1996
    Date of Patent: September 30, 1997
    Assignee: Helene Curtis, Inc.
    Inventors: Wei Mei Sun, Zhu-ning Ma, Maximo M. Panitch, Ramiro Galleguillos
  • Water-in-oil-in-water compositions
    Patent number: 5656280
    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: December 6, 1994
    Date of Patent: August 12, 1997
    Assignee: Helene Curtis, Inc.
    Inventors: Craig A. Herb, Liang Bin Chen, Judy Chung, Michelle A. Long, Wei Mei Sun, Gerald P. Newell, Trefor A. Evans, Kimberly Kamis, Richard M. Brucks
  • Antiperspirant deodorant compositions
    Patent number: 5547661
    Abstract: Gelled or solid topically-effective compositions comprising a topically-active compound, like an antiperspirant compound; a borate crosslinker; a surfactant, and preferably, a nonionic surfactant or nonionic surfactant blend; a carrier comprising water; and, optionally, a hydrophobic compound, are disclosed.
    Type: Grant
    Filed: December 14, 1994
    Date of Patent: August 20, 1996
    Assignee: Helene Curtis, Inc.
    Inventors: Wei-Mei Sun, Zhu-ning Ma, Maximo M. Panitch, Ramiro Galleguillos
  • Topically-effective compositions
    Patent number: 5534246
    Abstract: Roll-on or gel topically-effective compositions comprising a topically-active compound, a silicon-free surfactant or silicon-free surfactant blend having an HLB value of about 0.1 to about 10, an organic phase comprising a volatile silicone compound or a volatile hydrocarbon compound, and water.
    Type: Grant
    Filed: August 29, 1994
    Date of Patent: July 9, 1996
    Assignee: Helene Curtis, Inc.
    Inventors: Craig A. Herb, Wei-Mei Sun, Priscilla M. Walling, Susan A. Stiffe