JD

Johannes A. Van Doorn

Shell Oil Compny: 27 patents #74 of 4,423Top 2%
📍 Amsterdam, OK: #1 of 2 inventorsTop 50%
Overall (All Time): #148,090 of 4,157,543Top 4%
27
Patents All Time

Issued Patents All Time

Showing 1–25 of 27 patents

Patent #TitleCo-InventorsDate
6265531 Diglycidylester of alkylated hexahydrophthalic anhydride Jozef Jacobus Titus Smits 2001-07-24
6005063 Epoxy compounds from chlorohydrin ethers of polyphenols Jozef Jacobus Titus Smits, Eric Johannes Vos 1999-12-21
5350725 Polymerization process Harry Van Der Heijden, Hans A. Stil 1994-09-27
5268429 Polymer process Margaretha J. C. M. Koppes, Judith Johanna Berendina Walhof 1993-12-07
5247065 Polymerization of CO/olefin with bidentate ligand having 2-hydroxy-2-alkyl-1,3-propylene bridging group Harry Van Der Heijden, Hans A. Stil 1993-09-21
5218086 Polymerization of CO/olefin with 9-phospha bicyclo nonyl bidentate catalyst Peter Anton August Klusener, Johannes J. M. Snel 1993-06-08
5177044 Catalyst compositions Johannes J. M. Snel, Peter Anton August Klusener 1993-01-05
5169928 Preparation of regio-regular copolymer of CO/olefin of at least three carbon atoms in the presence of tetraalkyl diphosphine Olof Sudmeijer, Pui K. Wong 1992-12-08
5137857 Polymerization process 1992-08-11
5118854 Preparation of ortho substituted diphenylphosphides Nicolaas Meijboom, Richard L. Wife 1992-06-02
5066778 Carbon monoxide/cyclopenten copolymer and preparation with aromatic dinitro compound Josephus H. Van Deursen, Eit Drent, Pui K. Wong 1991-11-19
5041530 Linear copolymer of co/olefin having spiro ketal units Olof Sudmeijer, Pui K. Wong 1991-08-20
5030712 Polymerization of CO/olefin with aryl phosphine sulfide Eit Drent, Leonard E. H. Gerards 1991-07-09
4994592 Polymerization process Johannes J. M. Snel, Nicolaas Meijboom, Richard L. Wife 1991-02-19
4965341 Polymerization of co/olefin with catalyst comprising sulfur bidentate ligand Eit Drent 1990-10-23
4960747 Catalyst composition containing diphosphines having heterocyclic substituents Richard L. Wife, Petrus H. M. Budzelaar 1990-10-02
4948870 Polymerization process Arris H. Kramer, Johannes J. Maria Snel 1990-08-14
4940683 Polymerization process Eit Drent, Petrus W. N. M. Van Leeuwen, Nicolaas Meijboom, Aart Bartus Van Oort, Richard L. Wife 1990-07-10
4935396 Polymerization process Johannes J. M. Snel, Nicolaas Meijboom, Richard L. Wife 1990-06-19
4933311 Polymerization process Richard L. Wife 1990-06-12
4889956 Preparation of methoxy phenyl phosphides Nicolaas Meijboom 1989-12-26
4880900 Carbon monoxide/olefin polymerization process with bis (diaryl phosphino) 2-silapropane containing catalyst Johannes J. M. Snel, Nicolaas Meijboom, Richard L. Wife 1989-11-14
4880902 Copolymerization of carbon monoxide and olefin with diphosphine having heterocyclic substituents as catalyst Richard L. Wife, Petrus H. M. Budzelaar 1989-11-14
4877861 Carbon monoxide/olefin polymerization with disubstituted 1,3-bis phosphino propane Richard L. Wife 1989-10-31
4855399 Carbon monoxide/olefin co-polymerization process with phosphino substituted sulfonic acid catalyst Eit Drent, Petrus W. N. M. Van Leeuwen, Nicolaas Meijboom, Aart Bartus Van Oort, Richard L. Wife 1989-08-08