JB

Johan M. Beyen

Shell Oil Compny: 1 patents #2,223 of 4,423Top 55%
Overall (All Time): #3,870,473 of 4,157,543Top 95%
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Issued Patents All Time

Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
4994513 Polyketone copolymer composition comprising amide or aluminum compound Johannes L. M. Syrier, Dirk A. Borger, Antonius A. Broekhuis, Franciscus C. Groenland 1991-02-19