Patents by Inventor Bert ÖGREN

Bert ÖGREN 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 treating lead anode slime
    Patent number: 9650695
    Abstract: The present invention relates to a method of treating lead anode slime having high fluorine and arsenic content, in particular to a method comprising smelting of the lead anode slime and cleaning the produced off gases in a one or more wet gas cleaning stages.
    Type: Grant
    Filed: November 19, 2014
    Date of Patent: May 16, 2017
    Assignee: OUTOTEC (FINLAND) OY
    Inventors: Gunnar Berg, Mikhail Maliarik, Bert Ögren
  • METHOD FOR TREATING LEAD ANODE SLIME
    Publication number: 20160281193
    Abstract: The present invention relates to a method of treating lead anode slime having high fluorine and arsenic content, in particular to a method comprising smelting of the lead anode slime and cleaning the produced off gases in a one or more wet gas cleaning stages.
    Type: Application
    Filed: November 19, 2014
    Publication date: September 29, 2016
    Inventors: Gunnar BERG, Mikhail MALIARIK, Bert ÖGREN