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Norbert W urms

CI Ciba-Geigy: 1 patents #1,572 of 2,867Top 55%
Overall (All Time): #3,709,007 of 4,157,543Top 90%
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Patent #TitleCo-InventorsDate
5597854 Latent light stabilizers Jean-Luc Birbaum, Gerhard Rytz, Vien Van Toan, Andreas Valet 1997-01-28