Patents by Inventor Eric O. Fernandez

Eric O. Fernandez 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).

  • Defoamer emulsion compositions for pulp mill applications
    Patent number: 7893115
    Abstract: An oil-in-water emulsion useful as a defoamer for pulp and paper mill applications is described. The defoamer has an oil blend (of a triglyceride oil or a mixture of triglyceride oils and silicone), a stabilizing agent (to make the oil blend stable in the emulsion), hydrophobic silica particles, surfactants, dispersants, and other components. The emulsion is usable directly at low concentrations to control foam.
    Type: Grant
    Filed: December 8, 2005
    Date of Patent: February 22, 2011
    Assignee: Hercules Incorporated
    Inventors: Huai N. Cheng, Eric O. Fernandez, John M. Sheepy