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Johannes Spaans

AN Akzo N.V.: 1 patents #13 of 56Top 25%
📍 Oldenzaal, NL: #1 of 2 inventorsTop 50%
Overall (1982): #51,312 of 81,411Top 65%
1
Patents 1982

Issued Patents 1982

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