Patents by Inventor Rajendra M. Dave

Rajendra M. Dave 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).

  • Stable liquid cleansing compositions comprising fatty acyl isethionate surfactant products with high fatty acid content
    Patent number: 7671000
    Abstract: The invention provides liquid cleanser compositions which can use fatty acyl isethionates surfactant products, regardless of free fatty acid and/or fatty acid salt content of isethionate mixture or chain length distribution of isethionates mixture. The key is to insure a specific combination of liquid crystal inducer (of surfactant phase) and of modifier so that the isethionates will be stable at low and high temperatures.
    Type: Grant
    Filed: December 20, 2006
    Date of Patent: March 2, 2010
    Assignee: Conopco, Inc.
    Inventors: Liang Sheng Tsaur, Kavssery Parameswaran Ananthapadmanabhan, Virgilio Barba Villa, Rajendra M. Dave
  • STABLE LIQUID CLEANSING COMPOSITIONS COMPRISING FATTY ACYL ISETHIONATE SURFACTANT PRODUCTS WITH HIGH FATTY ACID CONTENT
    Publication number: 20080153730
    Abstract: The invention provides liquid cleanser compositions which can use fatty acyl isethionates surfactant products, regardless of free fatty acid and/or fatty acid salt content of isethionate mixture or chain length distribution of isethionates mixture. The key is to insure a specific combination of liquid crystal inducer (of surfactant phase) and of modifier so that the isethionates will be stable at low and high temperatures.
    Type: Application
    Filed: December 20, 2006
    Publication date: June 26, 2008
    Applicant: Conopco, Inc. d/b/a UNILEVER
    Inventors: Liang Sheng Tsaur, Kavssery Parameswaran Ananthapadmanabhan, Virjilio Barba Villa, Rajendra M. Dave
  • Method of enhancing skin lightening
    Publication number: 20040022748
    Abstract: The present invention discloses a method or process for enhancing skin lightening of one wash-off product relative to another wherein said method or process comprises using a composition which is less harsh (measured by zein solubility) relative to the other.
    Type: Application
    Filed: March 12, 2002
    Publication date: February 5, 2004
    Applicant: Unilever Home & Personal Care USA, Division of Conopco, Inc.
    Inventors: Kavssery Parameswaran Ananthapadmanabhan, Gail Beth Rattinger, William Becker, Yuet Tong, Andrew Lam, Rajendra M. Dave, Eng-Beng Lim