Patents by Inventor Carl F. Kernizan

Carl F. Kernizan 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).

  • Metal hydroxide desiccated emulsions used to prepare grease
    Patent number: 7691795
    Abstract: The invention provides a grease composition comprising a stable dispersion of a metal hydroxide with a number average particle size in the range 20 nanometres to 2 micrometres, a surfactant with a HLB of less than 10, a mono- or poly-carboxylic acid, and an oil of lubricating viscosity. The method of preparing a grease composition is also disclosed with benefits including a reduction in reaction time, amount of foam produced and environmental hazards.
    Type: Grant
    Filed: August 14, 2003
    Date of Patent: April 6, 2010
    Assignee: The Lubrizol Corporation
    Inventors: Stephen J. Nolan, Carl F. Kernizan, Paul S. Greenfield, Claire L. Hollingshurst
  • Colloidal suspensions for use as a lubricant or additive
    Patent number: 6613721
    Abstract: A colloidal suspension has a metal core surrounded by a surfactant. The colloidal suspension is about 0.5 micron to about 3-4 microns in diameter. The colloidal suspension acts as a lubricant and protects surfaces in rolling and/or sliding contact. When mixed with a lubricant, the colloidal suspension increases the operating life of the lubricated item. The colloidal suspension preferably is tin or bismuth nano-phase particles encased in a surfactant, preferably oleyl sarcosinate, N-coco sarcosinate, sodium sulfonate, petroleum sulfonate, or octadecenyl amine.
    Type: Grant
    Filed: March 27, 1997
    Date of Patent: September 2, 2003
    Assignee: The Timken Company
    Inventors: Carl F. Kernizan, James R. Spence