Patents by Inventor Jeffrey John Hopkins

Jeffrey John Hopkins 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 a lipophilic fluid
    Patent number: 7300593
    Abstract: A process for purifying dry cleaning solvents from a mixture containing used dry cleaning solvents and contaminants, such as laundry soils, fabric treating agents.
    Type: Grant
    Filed: June 24, 2004
    Date of Patent: November 27, 2007
    Assignee: The Procter & Gamble Company
    Inventors: Victor Manuel Arredondo, Mark Robert Sivik, Robb Richard Gardner, Jeffrey Scott Dupont, John Christian Haught, Arseni Valerevich Radomyselski, Jeffrey John Hopkins, William Michael Scheper, Hiroshi Oh