PF

Petrus M. G. Frenken

SB Stamicarbon B.V.: 2 patents #111 of 427Top 30%
📍 Roermond, NL: #52 of 149 inventorsTop 35%
Overall (All Time): #2,359,680 of 4,157,543Top 60%
2
Patents All Time

Issued Patents All Time

Showing 1–2 of 2 patents

Patent #TitleCo-InventorsDate
4472516 Process for deactivating catalytically active sites on the external surface of crystalline silicate catalysts, as well as crystalline silicate catalysts the catalytic properties of the external surface of which differ from those of the pore surface 1984-09-18
4254297 Process for the conversion of dimethyl ether Joseph J. F. Scholten 1981-03-03