Patents by Inventor Chester Wang

Chester Wang 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).

  • Product-structurant composition for personal care formulations
    Patent number: 6368607
    Abstract: A product-structuring composition which forms a bilayer lamellar gel network in an oil-in-water system comprising (a) a cationic swellant which is a fatty acid adduct of amidopropyldimethyl-2-hydroxyethyl ammonium halide, and (b) a gellant blend of low HLB emulsifiers having a resultant HLB of about 1.5 to 4.5.
    Type: Grant
    Filed: September 14, 1999
    Date of Patent: April 9, 2002
    Assignee: ISP Investments Inc.
    Inventors: Mark Rerek, Chester Wang, Elliott Zucker, David Moore, Ilya Makarovskiy