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Eit Drent — 214 Patents

Shell Oil Compny: 213 patents #3 of 4,423Top 1%
Overall (All Time): #2,881 of 4,157,543Top 1%
214 Patents All Time

Issued Patents All Time

Showing 26–50 of 214 patents

Patent #TitleCo-InventorsDate
6706912 Process for the carbonylation of ethylenically unsaturated compounds Willem Jager 2004-03-16
6639091 Bidentate ligand, catalyst system containing such ligand and a process for the carbonylation of ethylenically or acetylenically unsaturated compounds using such a catalyst system Michael Rolf Eberhard, Paul Gerard Pringle 2003-10-28
6376723 Process for the carbonylation of formaldehyde Wilhelmus Petrus Mul, Bart Johan Ruisch 2002-04-23
6187962 Hydroformylation process Peter Arnoldy, Cornelis Mark Bolinger, Johan Van Gogh, Cornelis Hyacinthus Maria Van Der Hulst, Robert Moene 2001-02-13
6156936 Hydroformylation of olefin feeds containing dienes Frederik Hendrik Van Der Steen, Robert Moene 2000-12-05
6156934 Diphosphines Jacoba Catherina Lucia Johanna Suykerbuyk, Paul Gerard Pringle 2000-12-05
6103927 Process for the carbonylation of ethylenically unsaturated compounds Maria Manuel De Castro Loureiro Barreto Rosa, Harold Moncrieff Gillespie, Arend Kuindert Van Helden, Paul David Savage, Eugene Gerard McKenna 2000-08-15
6080898 Hydrogenolysis of glycerol Willem Jager 2000-06-27
5994591 Hydroformylation process Peter Arnoldy, Cornelis Mark Bolinger, Jan J. Keijsper 1999-11-30
5952522 Process for the carbonylation of acetylenically unsaturated compounds Willem Jager 1999-09-14
5908958 Process for the carbonylation of acetylenically unsaturated compounds Willem Jager 1999-06-01
5780684 Hydroformylation reactions Willem Jager 1998-07-14
5747638 Process for the preparation of a copolymer of carbon monoxide Frits Van Der Veer, Rudolf Jacobus Wijngaarden 1998-05-05
5719313 Carbonylation catalyst system and a process for the carbonylation of acetylenically unsaturated compounds Willem Jager 1998-02-17
5719258 Polymer of an acetylenically unsaturated compound Dennis Humphrey Louis Pello 1998-02-17
5688909 Catalyst composition and process for the preparation of copolymers of carbon monoxide and an olefinically unsaturated compound Mirjam Catharina Theodora De Kock 1997-11-18
5688972 Preparation of acetals Dennis Humphrey Louis Pello 1997-11-18
5670440 Preparation of polymers of carbon monoxide and an aliphatic alpha-olefin Simona Bronco, Giambattista Consiglio, Silvia Di Benedetto, Hero Jan Heeres, Johannes A. M. Van Broekhoven +1 more 1997-09-23
5608001 Preparation of polymers of carbon monoxide and an aliphatic alpha-olefin Simona Bronco, Giambattista Consiglio, Silvia Di Benedetto, Hero Jan Heeres, Johannes A. M. Van Broekhoven +1 more 1997-03-04
5488096 Copolymers of carbon monoxide and an olefinically unsaturated compound and process for the preparation thereof Dennis Humphrey Louis Pello 1996-01-30
5488175 Hydroformylation process Willem Jager 1996-01-30
5488174 Hydroformylation process Dennis Humphrey Louis Pello, Jacoba Catherina Lucia Johanna Suykerbuyk 1996-01-30
5436356 Carbonylation process Dennis Humphrey Louis Pello, Melis Hasselaar 1995-07-25
5414109 Process for the carbonylation of acetylenically unsaturated compounds Eric Kragtwijk 1995-05-09
5373071 Polymerization of acetylenes Dennis Humphrey Louis Pello 1994-12-13