Patents by Inventor Denise A. Palumbo

Denise A. Palumbo 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).

  • Method for cleaning a fluid delivery system
    Patent number: 7909935
    Abstract: The present invention is directed to a method of cleaning an interior surface of a fluid delivery system. The method comprises introducing a first liquid into the fluid delivery system and contacting the interior surface with the first liquid; forming a slurry by introducing a particulate into the first liquid and contacting the interior surface with the slurry; introducing a second liquid into the fluid delivery system and contacting the interior surface with the second liquid; and introducing a third liquid into the fluid delivery system and contacting the interior surface with the third liquid. The first liquid is substantially soluble or substantially insoluble in the second liquid, the second liquid is substantially insoluble in the third liquid, and the particulate is substantially insoluble in the first and second liquids and substantially soluble in the third liquid.
    Type: Grant
    Filed: October 10, 2008
    Date of Patent: March 22, 2011
    Assignee: PPG Industries Ohio, Inc.
    Inventors: Jonathan N. Warren, Phillip J. Beauchamp, Finn Bergishagen, Denise A. Palumbo
  • METHOD FOR CLEANING A FLUID DELIVERY SYSTEM
    Publication number: 20090101171
    Abstract: The present invention is directed to a method of cleaning an interior surface of a fluid delivery system. The method comprises introducing a first liquid into the fluid delivery system and contacting the interior surface with the first liquid; forming a slurry by introducing a particulate into the first liquid and contacting the interior surface with the slurry; introducing a second liquid into the fluid delivery system and contacting the interior surface with the second liquid; and introducing a third liquid into the fluid delivery system and contacting the interior surface with the third liquid. The first liquid is substantially soluble or substantially insoluble in the second liquid, the second liquid is substantially insoluble in the third liquid, and the particulate is substantially insoluble in the first and second liquids and substantially soluble in the third liquid.
    Type: Application
    Filed: October 10, 2008
    Publication date: April 23, 2009
    Inventors: Jonathan N. Warren, Phillip J. Beauchamp, Finn Bergishagen, Denise A. Palumbo