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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 51–75 of 214 patents

Patent #TitleCo-InventorsDate
5369075 Polymerization process Johannes J. Keijsper 1994-11-29
5369074 Catalyst composition for polymerizing carbon monoxide and ethylenically unsaturated hydrocarbons 1994-11-29
5364970 Process for the hydroformylation of unsaturated carbonyl compounds Eric Kragtwijk 1994-11-15
5359028 Polyketone polymers Pen-Chung Wang 1994-10-25
5359081 Carbonylation of epoxides Eric Kragtwijk 1994-10-25
5352765 Preparation of copolymers of carbon monoxide and olefinically unsaturated compounds Eric Kragtwijk 1994-10-04
5350876 Carbonylation of conjugated dienes Willem Jager 1994-09-27
5344961 Carbonylation process 1994-09-06
5330952 Catalyst compositions 1994-07-19
5310948 Carbonylation of epoxides Eric Kragtwijk 1994-05-10
5304674 Preparation of alkanedioic derivatives 1994-04-19
5292699 Polymerization process 1994-03-08
5281744 Process for the preparation of nitriles 1994-01-25
5247064 Polymerization of CO/olefin with P bidentate ligand 1993-09-21
5245123 Vapor phase polymerization of co/olefin with palladium compound, Lewis acid and bidentate ligand Johannes J. Keijsper 1993-09-14
5229475 CO/olefin polymerization with carboxylic acid or phenol 1993-07-20
5227561 Co-dimerization of vinyl aromatics with .alpha.-monoolefins 1993-07-13
5227465 Polyketone polymer preparation in the absence of hydrogen 1993-07-13
5225523 Polyketone polymer preparation with tetra alkyl bis phosphine ligand and hydrogen Johannes J. Keijsper 1993-07-06
5216120 Polymerization of co/olefin with catalyst comprising palladium compound, Lewis acid and Bronsted acid Johannes J. Keijsper 1993-06-01
5215647 Oil compositions Marinus Johannes Reynhout, Henricus P. M. Tomassen 1993-06-01
5214220 Process for the preparation of alcohols 1993-05-25
5210280 Process for the preparation of alkanedioic acid derivatives 1993-05-11
5210177 Polymerization of CO/olefin with tetra ethyl diphosphine 1993-05-11
5210176 Polymerization of CO/non-conjugated diolefin 1993-05-11