Patents by Inventor Maren David

Maren David 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).

  • Use of monochlorourea to treat industrial waters
    Patent number: 8420012
    Abstract: The present invention comprises a method for controlling (e.g. inhibiting) or killing microorganisms in an aqueous environment. The method includes the addition of an effective amount of monochlorourea or modified monochlorourea to an aqueous solution. This aqueous solution may be a cooling water system, a recreational water system, a water treatment facility, or any circulating water system (i.e. a papermaking facility). A method of producing monochlorourea or modified monochlorourea is also disclosed.
    Type: Grant
    Filed: June 25, 2010
    Date of Patent: April 16, 2013
    Assignee: Hercules Incorporated
    Inventors: Russell J. Jerusik, Maren David, Jay C. Henderson
  • Use of Monochlorourea to Treat Industrial Waters
    Publication number: 20100331416
    Abstract: The present invention comprises a method for controlling (e.g. inhibiting) or killing microorganisms in an aqueous environment. The method includes the addition of an effective amount of monochlorourea or modified monochlorourea to an aqueous solution. This aqueous solution may be a cooling water system, a recreational water system, a water treatment facility, or any circulating water system (i.e. a papermaking facility). A method of producing monochlorourea or modified monochlorourea is also disclosed.
    Type: Application
    Filed: June 25, 2010
    Publication date: December 30, 2010
    Inventors: Russell J. Jerusik, Maren David, Jay C. Henderson