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Johannes Spaans

AN Akzo N.V.: 1 patents #342 of 803Top 45%
📍 Oldenzaal, NL: #28 of 68 inventorsTop 45%
Overall (All Time): #4,063,673 of 4,157,543Top 100%
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Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
4310689 Process for the preparation of optically active 2-phenoxy propionic acids and herbicidal preparations containing such acids Willem Eveleens, Hendrik G. Wissink 1982-01-12