Patents by Inventor Donald E. Epps

Donald E. Epps 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).

  • Surfactants and dispersants by in-line reaction
    Patent number: 6440905
    Abstract: A surfactant is synthesized from an amine or an alcohol and a hydrocarbyl-substituted succinic acylating agent by feeding the amine or alcohol into a stream comprising the hydrocarbyl substituted succinic acylating agent, to form a combined stream; passing the combined stream through an in-line mixer so as to effect premixing and initial reaction of the components; and thereafter passing the combined stream into a reactor, where the combined stream is further processed to form the surfactant.
    Type: Grant
    Filed: April 24, 2001
    Date of Patent: August 27, 2002
    Assignee: The Lubrizol Corporation
    Inventors: Donald E. Epps, Timothy C. Sepelak, Steven C. Oxley, Frederic J. Martin