RW

Rudolf Jacobus Wijngaarden

Shell Oil Compny: 12 patents #223 of 4,423Top 6%
Overall (All Time): #428,219 of 4,157,543Top 15%
12
Patents All Time

Issued Patents All Time

Showing 1–12 of 12 patents

Patent #TitleCo-InventorsDate
6043299 Process for the extraction of material from multi-phase systems Ye-Mon Chen, David K. Schisla 2000-03-28
5747638 Process for the preparation of a copolymer of carbon monoxide Eit Drent, Frits Van Der Veer 1998-05-05
5741939 Process for the copolymerization of carbon monoxide with an olefinically unsaturated compound Frank Baardman, Arleen Marie Bradford, Jayne Jubb, Pieter Scheerman 1998-04-21
5684123 Preparation of catalyst solution Frits Van Der Veer 1997-11-04
5670611 Process for the copolymerization of carbon monoxide with an olefinically unsaturated compound Frank Baardman, Arleen Marie Bradford, Jayne Jubb, Pieter Scheerman, Erwin Paulus Petrus Bleeker +1 more 1997-09-23
5668249 Process for the copolymerization of carbon monoxide with an olefinically unsaturated compound Frank Baardman, Arleen Marie Bradford, Jayne Jubb, Pieter Scheerman, Erwin Paulus Petrus Bleeker +1 more 1997-09-16
5658982 Process for the copolymerization of carbon monoxide with an olefinically unsaturated compound Frank Baardman, Arleen Marie Bradford, Jayne Jubb, Pieter Scheerman 1997-08-19
5654250 Preparation of catalyst solution Frits Van Der Veer 1997-08-05
5243026 Continuous gas phase polymerization of CO/olefin with palladium and metal fluoride Lewis acid catalyst Pieter A. Gautier, Johannes J. Keijsper 1993-09-07
5175374 Process for the separation of colloidal barium phosphate or colloidal barium sodium phosphate Kees Latjes, Jan Hendrik VAN SCHAIK 1992-12-29
5169927 Process for the preparation of polyketone polymers in the presence of water Johannes A. M. Van Broekhoven 1992-12-08
5162589 Alkoxylation process catalyzed by sodium- or potassium barium phosphate Kees Latjes 1992-11-10