Patents by Inventor Steven G. Carlson

Steven G. Carlson 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).

  • Process for purifying d-limonene
    Patent number: 5220105
    Abstract: A process is provided for the purification of d-Limonene, particularly to remove odorous impurities. The process includes the step of mixing d-Limonene with an oxidizer and separating the oxidizer from the d-Limonene. In preferred embodiments, the d-Limonene is then mixed with an acid and separated. The preferred process also includes a wash water step. The oxidizer and acid are preferably provided in aqueous solutions. The process removes the odorous impurities without the formation of an off-color in the d-Limonene.
    Type: Grant
    Filed: March 25, 1992
    Date of Patent: June 15, 1993
    Assignee: The Coca-Cola Company
    Inventors: Albert J. Kruger, Jr., Mark L. Corkum, Steven G. Carlson, Don H. Kimball