OV

Otto M. Velthuis

Shell Oil Compny: 5 patents #661 of 4,423Top 15%
Overall (All Time): #1,062,753 of 4,157,543Top 30%
5
Patents All Time

Issued Patents All Time

Showing 1–5 of 5 patents

Patent #TitleCo-InventorsDate
4806518 Process for the preparation of a silver-containing ethylene oxide catalyst and the catalyst prepared by the process Gosse Boxhoorn, Peter Schoenmakers 1989-02-21
4731350 Ethylene oxide catalyst Gosse Boxhoorn, Ann H. Klazinga 1988-03-15
4728634 Ethylene oxide catalyst Gosse Boxhoorn, Aan Hendrik Klazinga 1988-03-01
4701437 Ethylene oxide catalyst Gosse Boxhoorn, Aan Hendrik Klazinga 1987-10-20
4383981 Process for the separation of crystalline silicates Willibrord A. Van Erp 1983-05-17