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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 176–200 of 214 patents

Patent #TitleCo-InventorsDate
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
4794165 Carbon monoxide/olefin polymerization with bidentate ligand containing Johannes A. Van Doorn, Johannes J. M. Snel 1988-12-27
4789756 Process for the preparation of an ester of a 3-aryl-substituted acrylic acid 1988-12-06
4788279 Catalyst compositions and processes for polymerizing carbon monoxide and olefinically unsaturated hydrocarbons 1988-11-29
4786443 Process for the carbonylation of olefinically unsaturated compounds with a palladium catalyst Simon A. J. van Langen, Leonardus Petrus 1988-11-22
4786714 Catalytic process for polymerizing carbon monoxide and olefin(s) with nitrogen bidentate ligand 1988-11-22
4777261 Preparation of 2-benzoxazolones 1988-10-11
4740625 Catalyst compositions and a process for polymerizing carbon monoxide and olefins 1988-04-26
4739110 Process for the carbonylation of allenically unsaturated compounds 1988-04-19
4739107 Process for the preparation of a diester of a dicarboxylic acid 1988-04-19
4739109 Process for the carbonylation of acetylenically unsaturated compounds 1988-04-19
4731202 Process for the hydrocarboxylation of acetylenically unsaturated compounds 1988-03-15
4731487 Process for the preparation of aldehydes 1988-03-15
4731467 Process for the preparation of a diester of a 2-butenedioic acid Antonius J. M. Breed 1988-03-15
4730080 Process for the preparation of diesters of alkanedioic acids 1988-03-08
4727195 Process for the preparation of unsaturated ketones 1988-02-23
4692548 Process for the preparation of unsaturated compounds 1987-09-08
4691047 Preparation of carboxylic di-esters or acids 1987-09-01
4670582 Process for the preparation of unsaturated carboxylate esters 1987-06-02
4664851 Process for the co-production of carboxylic acids and carboxylic acid esters 1987-05-12
4642371 Process for the preparation of diesters of dicarboxylic acids 1987-02-10
4640802 Process for the co-production of carboxylic acids and carboxylic acid esters 1987-02-03
4634793 Process for the dimerization of olefins 1987-01-06
4602105 Process for the preparation of alpha-haloalkyl esters 1986-07-22