Patents Assigned to Oy Extracta Ltd.
  • Patent number: 6203835
    Abstract: The present invention relates to a hydroxy acid or a product containing thereof and a product made containing the same. The invention is characterized by the use of the hydroxy acid as a feed additive, either alone or in combination with other useful compounds or a product containing the same.
    Type: Grant
    Filed: December 28, 1998
    Date of Patent: March 20, 2001
    Assignee: Oy Extracta Ltd.
    Inventors: Hakon Westermarck, Tuomas Walter Westermarck, Juha Apajalahti, Pentti Hietala, Maire Jaarma