Patents by Inventor ERIC JOHN LEAVER

ERIC JOHN LEAVER 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).

  • Discontinuous Surface Coating for Particles
    Publication number: 20110014298
    Abstract: The present invention relates to particle compositions comprising a core particle that is partially coated with a first hydrophilic deposit and a hydrophobic polymeric finish, contains a small amount of water, and a compatible active present in the deposit, the finish or both. Additional alternating deposits, hydrophobic, hydrophilic or both, can be present between the first hydrophilic deposit and the hydrophobic polymeric finish. Similarly, additional compatible actives can be present in one or more of the additional alternating deposits. The invention also relates to methods of preparing the particle compositions.
    Type: Application
    Filed: September 2, 2010
    Publication date: January 20, 2011
    Inventors: FRANCIS MARTIN FRIEL, WILSON AN-TUEN LEE, AYA SHIDARA, CLARA G. MERCADO, ERIC JOHN LEAVER