Patent Leaderboard
USPTO Patent Rankings Data through Sept 30, 2025
RD

Robbert Duchateau — 32 Patents

SBSabic Global Technologies B.V.: 25 patents #13 of 1,595Top 1%
SISaudi Basic Industries: 3 patents #111 of 474Top 25%
DNDsm N.V.: 2 patents #144 of 669Top 25%
SIStichting Dutch Polymer Institute: 2 patents #5 of 34Top 15%
ExxonMobil: 1 patents #5,661 of 10,161Top 60%
Aalst, NL: #1 of 2 inventorsTop 50%
Overall (All Time): #109,647 of 4,157,543Top 3%
32 Patents All Time

Issued Patents All Time

Showing 26–32 of 32 patents

Patent #TitleCo-InventorsDate
9617414 Polymer composition Maria Soliman, Johannes Peter Antonius Martens, Renate Francisca Tandler, Mark Petrus Franciscus Pepels 2017-04-11
9512268 Process for preparing a copolymer Mark Petrus Franciscus Pepels 2016-12-06
8802797 Vinyl-terminated macromonomer oligomerization John R. Hagadorn, Patrick Brant, Rafael Sablong 2014-08-12
8592550 Process for the preparation of polycarbonates Maurice Ludovicus Josephina Frijns, Cornelis Eme Koning 2013-11-26
8487038 Polycarbonate and process for producing the same Bart Noordover, Cornelis Eme Koning, Rudolfus Antonius Theodorus Maria Van Benthem, Daniel Haveman 2013-07-16
6723806 Metal complex containing one or more silsesquioxane ligands Maurits F. H. Van Tol, Sven Thiele, Hendrikus C. L. Abbenhuis, Rutger A. Van Santen 2004-04-20
6441210 Metal complex containing one or more silsesquioxane ligands Maurits F. H. Van Tol, Sven Thiele, Hendrikus C. L. Abbenhuis, Rutger A. Van Santen 2002-08-27