LF

Leon H. B. Frijns

DC Dsm Co.: 1 patents #7 of 45Top 20%
SB Stamicarbon B.V.: 1 patents #194 of 427Top 50%
📍 Valkenburg, NL: #19 of 51 inventorsTop 40%
Overall (All Time): #2,301,834 of 4,157,543Top 60%
2
Patents All Time

Issued Patents All Time

Showing 1–2 of 2 patents

Patent #TitleCo-InventorsDate
5210331 Method for the preparation of a phenol Wim Buijs, Matthias R. J. Offermanns 1993-05-11
4296245 Method for the preparation of a pure alkali metal benzoate and benzyl alcohol Cornelis Jongsma, Paula A. M. Raven-Donners 1981-10-20