Patents by Inventor Harambage Quintas Nimal Gunaratne

Harambage Quintas Nimal Gunaratne 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).

  • Multiphase cleaning compositions having ionic liquid phase
    Patent number: 7928053
    Abstract: A multiphase cleaning composition comprises a first phase and a second ionic liquid phase, wherein the second phase is substantially immiscible with the first phase. The first phase may comprise, for example, an aqueous phase or a silicone solvent system. Methods of cleaning a soiled surface comprise contacting a soiled surface with a multiphase wash liquor including a first phase and a second ionic liquid phase, wherein the second phase is substantially immiscible with the first phase, and removing soils from the surface.
    Type: Grant
    Filed: May 26, 2009
    Date of Patent: April 19, 2011
    Assignee: The Procter & Gamble Company
    Inventors: Stacie Ellen Hecht, Kenneth Nathan Price, Patricia Sara Berger, Peter Robert Foley, Howard David Hutton, III, Michael Stanford Showell, Robb Richard Gardner, Raymond Louis Niehoff, Kenneth Richard Seddon, Harambage Quintas Nimal Gunaratne, Martyn Earle
  • MULTIPHASE CLEANING COMPOSITIONS HAVING IONIC LIQUID PHASE
    Publication number: 20090233829
    Abstract: A multiphase cleaning composition comprises a first phase and a second ionic liquid phase, wherein the second phase is substantially immiscible with the first phase. The first phase may comprise, for example, an aqueous phase or a silicone solvent system. Methods of cleaning a soiled surface comprise contacting a soiled surface with a multiphase wash liquor including a first phase and a second ionic liquid phase, wherein the second phase is substantially immiscible with the first phase, and removing soils from the surface.
    Type: Application
    Filed: May 26, 2009
    Publication date: September 17, 2009
    Inventors: Stacie Ellen Hecht, Kenneth Nathan Price, Patricia Sara Berger, Peter Robert Foley, Howard David Hutton, III, Michael Stanford Showell, Robb Richard Gardner, Raymond Louis Niehoff, Kenneth Richard Seddon, Harambage Quintas Nimal Gunaratne, Martyn Earle
  • Process for epimerising cyclohexenyl ketones and its application in Aldol condensation process
    Patent number: 7414158
    Abstract: Processes for producing intermediate materials used for perfumery, specifically, epimerized cyclohexenyl ketones, are disclosed. Processes for employing the epimerising reaction in an Aldol condensation reaction are also disclosed.
    Type: Grant
    Filed: July 23, 2007
    Date of Patent: August 19, 2008
    Assignee: The Procter & Gamble Company
    Inventors: Yousef Georges Aouad, Daniel Martin Bourgeois, Gregory Scot Miracle, Jean Wevers, Harambage Quintas Nimal Gunaratne, Kenneth Richard Seddon, Eva Boros, Suhas Prabhaker Katdore, Tayeb Belhocine