Patents by Inventor Goran Sivertsson

Goran Sivertsson 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 water treatment
    Patent number: 5916447
    Abstract: A method for treatment of water in which an aqueous solution containing a freshly made polymerised iron substance is produced, the produced polymerised iron substance is aged sufficiently long to provide for efficient treatment of water, and the aqueous solution containing aged polymerised iron substance is added to the water to be treated.
    Type: Grant
    Filed: October 15, 1997
    Date of Patent: June 29, 1999
    Assignee: Eka Chemicals AB
    Inventors: Felix Hulten, Goran Sivertsson