Petrus W. N. M. van Leeuwen

Person

Amsterdam, NL

People

Patents Grantslast 30 patents

Information Patent Grant
Preparation of copolymers
- Patent number 5,354,340
- Issue date Oct 11, 1994
- Shell Oil Company
- Peter A. A. Klusener
- C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information Patent Grant
Polymer preparation
- Patent number 5,338,825
- Issue date Aug 16, 1994
- Shell Oil Company
- Arleen M. Bradford
- C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information Patent Grant
Hexakis phosphine catalyst
- Patent number 5,243,079
- Issue date Sep 7, 1993
- Shell Oil Company
- Johannes J. Keijsper
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
Polymerization of carbon monoxide/olefin with polyalkoxyalkane
- Patent number 5,225,386
- Issue date Jul 6, 1993
- Shell Oil Company
- Petrus W. N. M. Van Leeuwen
- C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information Patent Grant
Polymerization process
- Patent number 5,212,135
- Issue date May 18, 1993
- Shell Oil Company
- Johannes J. Keijsper
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
Polymerization of carbon monoxide/olefin with hexakis phosphine ligand
- Patent number 5,169,926
- Issue date Dec 8, 1992
- Shell Oil Company
- Johannes J. Keijsper
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
Polymerization process
- Patent number 5,145,823
- Issue date Sep 8, 1992
- Shell Oil Company
- Petrus W. N. M. van Leeuwen
- C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information Patent Grant
Catalyst composition containing monophosphines
- Patent number 5,137,858
- Issue date Aug 11, 1992
- Shell Oil Company
- Petrus W. N. M. van Leeuwen
- C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information Patent Grant
Polymerization of carbon monoxide/olefin with polyalkoxyalkane
- Patent number 5,091,507
- Issue date Feb 25, 1992
- Shell Oil Company
- Petrus W. N. M. Van Leeuwen
- C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information Patent Grant
Polymerization of co/olefin with diphosphine/hydrocarbyl palladium...
- Patent number 5,066,777
- Issue date Nov 19, 1991
- Shell Oil Company
- Petrus W. N. M. Van Leeuwen
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
Polymerization of CO/olefin with Hydrocarbyl-Pd halide/bidentate P...
- Patent number 5,025,091
- Issue date Jun 18, 1991
- Shell Oil Company
- Petrus W. N. M. van Leeuwen
- C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information Patent Grant
Polymerization of carbon monoxide/olefin with tertiary monophosphin...
- Patent number 5,010,172
- Issue date Apr 23, 1991
- Shell Oil Company
- Petrus W. N. M. van Leeuwen
- C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information Patent Grant
Process for the reduction of carbonyl compounds
- Patent number 5,004,844
- Issue date Apr 2, 1991
- Shell Oil Company
- Petrus W. N. M. van Leeuwen
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
Polymerization process
- Patent number 4,940,683
- Issue date Jul 10, 1990
- Shell Oil Company
- Johannes A. Van Doorn
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
Copolymerization of carbon monoxide and olefin with nitrogen contai...
- Patent number 4,859,764
- Issue date Aug 22, 1989
- Shell Oil Company
- Eit Drent
- C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information Patent Grant
Carbon monoxide/olefin co-polymerization process with phosphino sub...
- Patent number 4,855,399
- Issue date Aug 8, 1989
- Shell Oil Company
- Johannes A. Van Doorn
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
Catalytic polymerization of CO/olefin with ortho polar substituted...
- Patent number 4,843,145
- Issue date Jun 27, 1989
- Shell Oil Company
- Eit Drent
- C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information Patent Grant
Improved process of preparing carbon monoxide/olefin copolymer with...
- Patent number 4,820,802
- Issue date Apr 11, 1989
- Shell Oil Company
- Eit Drent
- C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information Patent Grant
Soldering compositions
- Patent number 4,795,508
- Issue date Jan 3, 1989
- Shell Internationale Research Maatschappij B.V.
- Petrus W. N. M. van Leeuwen
- B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
Information Patent Grant
Process for the preparation of bisphosphine dioxides
- Patent number 4,565,892
- Issue date Jan 21, 1986
- Shell Oil Company
- Richard L. Wife
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
Preparation of carbamates
- Patent number 4,474,978
- Issue date Oct 2, 1984
- Shell Oil Company
- Eit Drent
- B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
Information Patent Grant
Process for the hydroformylation of olefins
- Patent number 4,467,116
- Issue date Aug 21, 1984
- Shell Oil Company
- Petrus W. N. M. van Leeuwen
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
Process for the hydroformylation of olefins
- Patent number 4,408,078
- Issue date Oct 4, 1983
- Shell Oil Company
- Petrus W. N. M. van Leeuwen
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
Process for the hydroformylation of olefins
- Patent number 4,330,678
- Issue date May 18, 1982
- Shell Oil Company
- Petrus W. N. M. van Leeuwen
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
Catalyst for cyclodimerization of isoprene
- Patent number 4,189,403
- Issue date Feb 19, 1980
- Shell Oil Company
- Cornelis F. Roobeek
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
Cyclodimerization of isoprene
- Patent number 4,166,076
- Issue date Aug 28, 1979
- Shell Oil Company
- Cornelis F. Roobeek
- C07 - ORGANIC CHEMISTRY

Petrus W. N. M. van Leeuwen

Person

Patents Grantslast 30 patents

Preparation of copolymers

Polymer preparation

Hexakis phosphine catalyst

Polymerization of carbon monoxide/olefin with polyalkoxyalkane

Polymerization process

Polymerization of carbon monoxide/olefin with hexakis phosphine ligand

Polymerization process

Catalyst composition containing monophosphines

Polymerization of carbon monoxide/olefin with polyalkoxyalkane

Polymerization of co/olefin with diphosphine/hydrocarbyl palladium...

Polymerization of CO/olefin with Hydrocarbyl-Pd halide/bidentate P...

Polymerization of carbon monoxide/olefin with tertiary monophosphin...

Process for the reduction of carbonyl compounds

Polymerization process

Copolymerization of carbon monoxide and olefin with nitrogen contai...

Carbon monoxide/olefin co-polymerization process with phosphino sub...

Catalytic polymerization of CO/olefin with ortho polar substituted...

Improved process of preparing carbon monoxide/olefin copolymer with...

Soldering compositions

Process for the preparation of bisphosphine dioxides

Preparation of carbamates

Process for the hydroformylation of olefins

Process for the hydroformylation of olefins

Process for the hydroformylation of olefins

Catalyst for cyclodimerization of isoprene

Cyclodimerization of isoprene