Patents by Inventor Elida G. Partain

Elida G. Partain 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 producing surfactant compositions
    Patent number: 6268517
    Abstract: A process for producing a surfactant composition by partially saponifying an alkoxylated triglyceride having the formula: with an alkali metal hydroxide such as sodium hydroxide and in the presence of from 5 to 10% free water, removing water by heating and recovering a surfactant composition comprising soap and moisturizing agents comprised of alkoxylated monoglycerides and unreacted alkoxylated triglycerides.
    Type: Grant
    Filed: May 9, 2000
    Date of Patent: July 31, 2001
    Assignee: Condea Vista Company
    Inventors: Paul A. Filler, Elida G. Partain, Upali Weerasooriya
  • Process for preparing alkoxylated dialkyl carbonate compounds
    Patent number: 6147246
    Abstract: A process for alkoxylating an organic carbonate wherein an alkylene oxide is reacted with an organic carbonate such as a dialkyl carbonate in the presence of a catalytically effective amount of a calcium-containing catalyst to produce alkoxylated carbonates.
    Type: Grant
    Filed: December 23, 1999
    Date of Patent: November 14, 2000
    Assignee: Condea Vista Company
    Inventors: Upali Weerasooriya, K. Lee Matheson, Dewey L. Smith, Paul A. Filler, Elida G. Partain, Kelly D. Knouse, Janet L. Watson