AS

Anna-Mari Kristiina Stein

KO Kemira Chemicals Oy: 1 patents #14 of 46Top 35%
Overall (All Time): #3,658,080 of 4,157,543Top 90%
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Patent #TitleCo-InventorsDate
5942199 Method for the treatment of impure aluminium oxide Simo Jokinen, Maire Iida Annikki Mattila, Sirpa-Liisa Katariina Mattila, Gerard Verkoijen 1999-08-24