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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 151–175 of 214 patents

Patent #TitleCo-InventorsDate
4859646 Process for the dimerization of olefins 1989-08-22
4859645 Catalyst compositions and a process for polymerizing carbon monoxide and olefins Johannes A. M. Van Broekhoven 1989-08-22
4859644 Catalyst compositions and a process for polymerizing carbon monoxide and olefins Johannes A. M. Van Broekhoven 1989-08-22
4855399 Carbon monoxide/olefin co-polymerization process with phosphino substituted sulfonic acid catalyst Johannes A. Van Doorn, Petrus W. N. M. Van Leeuwen, Nicolaas Meijboom, Aart Bartus Van Oort, Richard L. Wife 1989-08-08
4851582 Catalyst compositions and a process for polymerizing carbon monoxide and olefins 1989-07-25
4851379 Catalyst compositions and a process for polymerizing carbon monoxide and olefins Johannes A. M. Van Broekhoven 1989-07-25
4849542 Process for the preparation of oxo-alkanedioic acids or diesters thereof 1989-07-18
4843145 Catalytic polymerization of CO/olefin with ortho polar substituted aryl bidentate p ligand Petrus W. N. M. Van Leeuwen, Richard L. Wife 1989-06-27
4841020 Catalytic polymerization of carbon monoxide with functional substituted ethylenically unsaturated monomer 1989-06-20
4835250 Catalytic preparation of polyketone from carbon monoxide and olefin 1989-05-30
4831187 Process for the preparation of esters of alpha-ethylenically unsaturated alcohols and alpha-ethylenically unsaturated carboxylic acids 1989-05-16
4831114 Polymerization of carbon monoxide and olefin with acid catalyst 1989-05-16
4831113 Process for polymerizing carbon monoxide and olefins with a quinone Johannes A. M. Van Broekhoven 1989-05-16
4824935 Process for polymerizing carbon monoxide and olefins with ether Johannes A. M. Van Broekhoven 1989-04-25
4824934 Process for polymerizing carbon monoxide with a quinone Johannes A. M. Van Broekhoven 1989-04-25
4824817 Catalyst for the carbonylation of conjugated dienes 1989-04-25
4820802 Improved process of preparing carbon monoxide/olefin copolymer with ortho substituted phosphine catalyst composition. Richard L. Wife, Petrus W. N. M. Van Leeuwen 1989-04-11
4818811 Terpolymer of carbon monoxide and ethylenically unsaturated monomers 1989-04-04
4818810 Catalytic process for the preparation of polyketones from carbon monoxide and ethylenically unsaturated hydrocarbon 1989-04-04
4812433 Process for the production of methanol and a composition suitable for use as a catalyst in said process Swan T. Sie, Willem Jager 1989-03-14
4810774 Catalytic copolymerization of CO/olefin with ketone additive. 1989-03-07
4808697 Catalytic process for preparing polymers of sulfur dioxide and olefin 1989-02-28
4806693 Process for the preparation of unsaturated ketones 1989-02-21
4806647 Process for the dimerization of olefins 1989-02-21
4806630 Catalytic polymerization of carbon monoxide and olefin, with organo nitro or organo nitrite compound additive Richard L. Wife 1989-02-21