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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 76–100 of 214 patents

Patent #TitleCo-InventorsDate
5206342 Polymerization of carbon monoxide/non conjugated alkenyl benzene Eric Kragtwijk 1993-04-27
5179225 Carbonylation catalyst system Petrus H. M. Budzelaar, Willem Jager, Johan Stapersma 1993-01-12
5177253 Process for the preparation of alpha,beta-olefinically unsaturated compounds Petrus H. M. Budzelaar, Willem Jager 1993-01-05
5177184 Polymerization of co/norbornene compound with molar ratio of n ligand to anion greater than 4 1993-01-05
5175244 Polymerization of co/olefin with diphosphine containing heterocyclic/alkyl substituents Petrus H. M. Budzelaar 1992-12-29
5166116 Carbonylation catalyst system Petrus H. M. Budzelaar, Willem Jager, Johan Stapersma 1992-11-24
5166411 Carbonylation catalyst system 1992-11-24
5162493 Polymerization of co/olefin/functionally substituted olefin with tetra alkyl diphosphine 1992-11-10
5158921 Carbonylation catalyst and process Petrus H. M. Budzelaar, Willem Jager 1992-10-27
5149868 Carbonylation process 1992-09-22
5128475 Preparation of amides 1992-07-07
5128438 Polymerization of carbon monoxide and ethylenically unsaturated carboxylic acid Anthonius J. M. Breed 1992-07-07
5124300 Carbonylation catalyst system 1992-06-23
5116936 Preparation of poly anhydride from CO/non conjugated diene/dicarboxylic acid. Anthonius J. M. Breed 1992-05-26
5106952 Carbon monoxide/norbornene copolymer having spiroketal structural units 1992-04-21
5103043 Carbonylation catalyst system Petrus H. M. Budzelaar 1992-04-07
5101077 Process for the preparation of carbonyl compounds 1992-03-31
5099062 Carbonylation catalyst and process Petrus H. M. Budzelaar, Willem Jager 1992-03-24
5096965 Polymeric compositions Antonius A. Broekhuis 1992-03-17
5091506 Polymerization of carbon monoxide/norbornene with P bidentate ligand Anthonius J. M. Breed 1992-02-25
5091587 Process for the preparation of ketones 1992-02-25
5071926 Polymeric polyalcohols 1991-12-10
5070184 Treatment of carbon monoxide/olefin copolymer with solvent Pui K. Wong 1991-12-03
5066778 Carbon monoxide/cyclopenten copolymer and preparation with aromatic dinitro compound Josephus H. Van Deursen, Johannes A. Van Doorn, Pui K. Wong 1991-11-19
5061782 Unsaturated polymerization of CO and bicyclic carboxylic acid compound bidentate ligand of nitrogen 1991-10-29