JS

Johan Stapersma

Shell Oil Compny: 8 patents #381 of 4,423Top 9%
BG Basell Polyolefine Gmbh: 2 patents #184 of 517Top 40%
Overall (All Time): #522,934 of 4,157,543Top 15%
10
Patents All Time

Issued Patents All Time

Patent #TitleCo-InventorsDate
7141527 Catalyst system and process for the polymerization of olefins Jan F. van Baar, Andrew D. Horton, Gerard M. M. Van Kessel, Eric Kragtwijk, Max Van De Pas +1 more 2006-11-28
6703457 Propylene polymers and process for the preparation thereof Jan F. van Baar, Andrew D. Horton, Peter Schut 2004-03-09
5179225 Carbonylation catalyst system Eit Drent, Petrus H. M. Budzelaar, Willem Jager 1993-01-12
5166116 Carbonylation catalyst system Eit Drent, Petrus H. M. Budzelaar, Willem Jager 1992-11-24
5049672 Complex-forming polymers and processes to prepare them 1991-09-17
4933455 Lithiated bipyridyl compounds 1990-06-12
4910264 Complex-forming polymers and processes to prepare them 1990-03-20
4873212 Nitrogen-containing bidentate compound immobilized on a solid inorganic carrier 1989-10-10
4873333 Nitrogen-containing bidentate compound immobilized on a solid inorganic carrier 1989-10-10
4814457 Complex-forming polymers and processes to prepare them 1989-03-21