Patents Examined by John M Petauncio
  • Cleaning-in-place composition and method for using the same
    Patent number: 6423675
    Abstract: A composition for a cleaning-in-place system is described. The composition has a halogen dioxide and a optionally hydroxide and does not require the use of a detergent to display excellent cleaning and disinfecting properties on processing equipment such as the equipment found in breweries, dairy plants and carbonated beverage plants.
    Type: Grant
    Filed: November 23, 1999
    Date of Patent: July 23, 2002
    Assignee: Diversey Lever, Inc.
    Inventors: Michael Francis Coughlin, David Christopher Cole, Charles Allen Crawford
  • Self-regulating polymer composite heater
    Patent number: 5902518
    Abstract: A polymer matrix type heater filled with a conductive particulate moiety is disclosed wherein the preferable polymer is a polyurethane shape-memory polymer and the preferable filler is spherical thermal carbon black particles. Optional insulating fillers may be added to adjust the thermal and electrical properties of the heater. The resulting self-regulating heater has fast heat-up, sharp turnoff, and negligible temperature fluctuation.
    Type: Grant
    Filed: July 29, 1997
    Date of Patent: May 11, 1999
    Assignees: Watlow Missouri, Inc., Northwestern University
    Inventors: Bijan Khazai, George M. Nichols