ED

Eit Drent

Shell Oil Compny: 41 patents #1 of 337Top 1%
Overall (1989): #6 of 140,708Top 1%
41
Patents 1989

Issued Patents 1989

Showing 26–41 of 41 patents

Patent #TitleCo-InventorsDate
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
4824817 Catalyst for the carbonylation of conjugated dienes 1989-04-25
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
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
4818810 Catalytic process for the preparation of polyketones from carbon monoxide and ethylenically unsaturated hydrocarbon 1989-04-04
4818811 Terpolymer of carbon monoxide and ethylenically unsaturated monomers 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
4806647 Process for the dimerization of olefins 1989-02-21
4806693 Process for the preparation of unsaturated ketones 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
4804739 Process for preparing carbon monoxide polymer with quaternary phosphonium compound bidentate ligand 1989-02-14
4804738 Catalytic preparation of carbon monoxide/ethylene/secondary ethylenically unsaturated hydrocarbon terpolymer 1989-02-14