Patents Assigned to Oy Arbonova Ab
  • Use of knotwood extracts
    Patent number: 7976877
    Abstract: The use of i) finely divided knotwood, or ii) an extract, obtained by extracting knotwood with a polar solvent and recovering the extract, as an antioxidative agent. A fraction of the extract may also be used as an antioxidative agent.
    Type: Grant
    Filed: October 21, 2004
    Date of Patent: July 12, 2011
    Assignee: Oy Arbonova Ab
    Inventors: Stefan Willför, Christer Eckerman, Jarl Hemming, Bjarne Holmbom, Suvi Pietarinen, Anna Sundberg