Patents by Inventor Sipilä Jussi

Sipilä Jussi 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 reducing the size of solvent extraction process steps and cell for using in the solvent extraction process
    Patent number: 6569339
    Abstract: A method and cell for reducing the size of a solvent extraction process in which a series of cells are arranged in an extraction process. The process includes the use of conventional settlers at the beginning and at the end of the extraction process with at least one reduced-size extraction cell in the middle of the extraction process.
    Type: Grant
    Filed: June 25, 2001
    Date of Patent: May 27, 2003
    Assignee: Outokumpu Oyj
    Inventors: Hannu Laitala, Sipilä Jussi