Patents by Inventor John Todd Sarraf

John Todd Sarraf 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).

  • Clay slurries and use thereof in pulp and papermaking applications
    Patent number: 8691052
    Abstract: The invention relates to a stable aqueous slurry composition comprising clay or clay-like material, hydrophobically associative polymer, and optionally a surfactant; and a method of inhibiting the deposition of organic contaminants in pulp and papermaking applications.
    Type: Grant
    Filed: March 13, 2009
    Date of Patent: April 8, 2014
    Assignee: Hercules Incorporated
    Inventors: Fushan Zhang, William S. Carey, Erin A. S. Doherty, John Todd Sarraf
  • Clay slurries and use thereof in pulp and papermaking applications
    Publication number: 20090229775
    Abstract: The invention relates to a stable aqueous slurry composition comprising clay or clay-like material, hydrophobically associative polymer, and optionally a surfactant; and a method of inhibiting the deposition of organic contaminants in pulp and papermaking applications.
    Type: Application
    Filed: March 13, 2009
    Publication date: September 17, 2009
    Inventors: Fushan Zhang, William S. Carey, Erin A. S. Doherty, John Todd Sarraf