PL

Petrus W. N. M. Van Leeuwen

Shell Oil Compny: 24 patents #90 of 4,423Top 3%
CG Celanese Gmbh: 2 patents #111 of 478Top 25%
DN Dsm N.V.: 2 patents #144 of 669Top 25%
EA E.I. Du Pont De Nemours And: 1 patents #4,343 of 8,010Top 55%
SB Shell Internationale Research Maatschappij B.V.: 1 patents #62 of 211Top 30%
UA Universiteit Van Amsterdam: 1 patents #6 of 42Top 15%
Overall (All Time): #125,755 of 4,157,543Top 4%
30
Patents All Time

Issued Patents All Time

Showing 1–25 of 30 patents

Patent #TitleCo-InventorsDate
8216968 Coordination complex system comprising building blocks Joost Nicolaas Hendrik Reek, Ruifang Chen, Paul Kamer, Vincent Friso Slagt 2012-07-10
6566521 Valeraldehyde and process for its preparation Holger Geissler, Paul Kamer, Lars Anders Van Der Veen 2003-05-20
6342605 Valeraldehyde and process for its preparation Holger Geissler, Paul Kamer, Lars Anders Van Der Veen 2002-01-29
6153800 Process for the preparation of an aldehyde Onko J. Gelling, Peter C. Borman 2000-11-28
5817848 Bidentate phosphine ligand Paulus C. J. Kamer, Mirko Kranenburg, Johannes Gerardus De Vries 1998-10-06
5354340 Preparation of copolymers Peter Anton August Klusener, Hans A. Stil 1994-10-11
5338825 Polymer preparation Arleen Marie Bradford, Annetta M. Wullink-Schelvis 1994-08-16
5243079 Hexakis phosphine catalyst Johannes J. Keijsper, Alexander W. van der Made 1993-09-07
5225386 Polymerization of carbon monoxide/olefin with polyalkoxyalkane Cornelis F. Roobeek, Pui K. Wong 1993-07-06
5212135 Polymerization process Johannes J. Keijsper, Alexander W. van der Made 1993-05-18
5169926 Polymerization of carbon monoxide/olefin with hexakis phosphine ligand Johannes J. Keijsper, Alexander W. van der Made 1992-12-08
5145823 Polymerization process Cornelis F. Roobeek 1992-09-08
5137858 Catalyst composition containing monophosphines Cornelis F. Roobeek 1992-08-11
5091507 Polymerization of carbon monoxide/olefin with polyalkoxyalkane Cornelis F. Roobeek, Pui K. Wong 1992-02-25
5066777 Polymerization of co/olefin with diphosphine/hydrocarbyl palladium salt complex catalyst Cornelis F. Roobeek, Pui K. Wong 1991-11-19
5025091 Polymerization of CO/olefin with Hydrocarbyl-Pd halide/bidentate P ligand catalyst complex Cornelis F. Roobeek 1991-06-18
5010172 Polymerization of carbon monoxide/olefin with tertiary monophosphine or secondary monophosphine oxide Cornelis F. Roobeek 1991-04-23
5004844 Process for the reduction of carbonyl compounds Cornelis F. Roobeek 1991-04-02
4940683 Polymerization process Johannes A. Van Doorn, Eit Drent, Nicolaas Meijboom, Aart Bartus Van Oort, Richard L. Wife 1990-07-10
4859764 Copolymerization of carbon monoxide and olefin with nitrogen containing phosphine ligand catalyst Eit Drent, Richard L. Wife 1989-08-22
4855399 Carbon monoxide/olefin co-polymerization process with phosphino substituted sulfonic acid catalyst Johannes A. Van Doorn, Eit Drent, Nicolaas Meijboom, Aart Bartus Van Oort, Richard L. Wife 1989-08-08
4843145 Catalytic polymerization of CO/olefin with ortho polar substituted aryl bidentate p ligand Eit Drent, Richard L. Wife 1989-06-27
4820802 Improved process of preparing carbon monoxide/olefin copolymer with ortho substituted phosphine catalyst composition. Eit Drent, Richard L. Wife 1989-04-11
4795508 Soldering compositions 1989-01-03
4565892 Process for the preparation of bisphosphine dioxides Richard L. Wife, Aart Bartus Van Oort, Johannes A. Van Doorn 1986-01-21