Patents by Inventor Deborah W. Chang

Deborah W. Chang 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).

  • Composition comprising a particulate zinc material, a pyrithione or a polyvalent metal salt of a pyrithione and a synthetic cationic polymer
    Publication number: 20080206355
    Abstract: The present invention relates to a composition comprising a composition comprising an effective amount of a particulate zinc material; an effective amount of a surfactant including a surfactant with an anionic functional group; an effective amount of a pyrithione or a polyvalent metal salt of a pyrithione; from about 0.
    Type: Application
    Filed: August 7, 2007
    Publication date: August 28, 2008
    Inventors: James Robert Schwartz, Eric Scott Johnson, Bonnie Theresa King, Carl Hinz Margraf, Gregory V. Tomos, David Thomas Warnke, Deborah W. Chang, David Scott Dunlop, Kevin M. Labitzke, Sandra Lou Murawski, William Jeffrey Gore, Theodore Jay Verbrugge, Mark Anthony Brown, Timothy Woodrow Coffindaffer, Afua Asiedua Asante, Robert Lee Wells, Teresa Cuasay Manuel, Nicholas William Geary, Martin Asare