Johannes Jacobus Keijsper

Person

1031 CM Amsterdam, NL

People

Patents Grantslast 30 patents

Information Patent Grant
Process for the preparation of vinylesters
- Patent number 6,307,095
- Issue date Oct 23, 2001
- Johannes Jacobus Keijsper
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
Polymerization process
- Patent number 5,436,214
- Issue date Jul 25, 1995
- Shell Oil Company
- Johannes J. Keijsper
- C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information Patent Grant
Process for the preparation of copolymers
- Patent number 5,420,236
- Issue date May 30, 1995
- Shell Oil Company
- Johannes J. Keijsper
- C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information Patent Grant
Polymerization process
- Patent number 5,369,075
- Issue date Nov 29, 1994
- Shell Oil Company
- Eit Drent
- C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information Patent Grant
Polymerization process
- Patent number 5,340,787
- Issue date Aug 23, 1994
- Shell Oil Company
- Johannes J. Keijsper
- C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information Patent Grant
Process for preparing a crystalline zeolite
- Patent number 5,275,799
- Issue date Jan 4, 1994
- Shell Oil Company
- Johannes J. Keijsper
- C01 - INORGANIC CHEMISTRY
Information Patent Grant
Vapor phase polymerization of co/olefin with palladium compound, Le...
- Patent number 5,245,123
- Issue date Sep 14, 1993
- Shell Oil Company
- Eit Drent
- 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
Continuous gas phase polymerization of CO/olefin with palladium and...
- Patent number 5,243,026
- Issue date Sep 7, 1993
- Shell Oil Company
- Pieter A. Gautier
- C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information Patent Grant
Polymerization of CO/olefin wth catalyst chemically bound to partic...
- Patent number 5,237,047
- Issue date Aug 17, 1993
- Shell Oil Company
- Johannes J. Keijsper
- C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information Patent Grant
Polymerization process
- Patent number 5,229,343
- Issue date Jul 20, 1993
- Shell Oil Company
- Johannes J. Keijsper
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
Gas phase polymerization of CO/olefin with particular catalyst support
- Patent number 5,227,464
- Issue date Jul 13, 1993
- Shell Oil Company
- Johannes J. Keijsper
- C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information Patent Grant
Polyketone polymer preparation with tetra alkyl bis phosphine ligan...
- Patent number 5,225,523
- Issue date Jul 6, 1993
- Shell Oil Company
- Eit Drent
- C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information Patent Grant
Preparation of high molecular weight carbon monoxide/styrene copoly...
- Patent number 5,218,085
- Issue date Jun 8, 1993
- Shell Oil Company
- Abe W. De Jong
- C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information Patent Grant
Polymerization of co/olefin with catalyst comprising palladium comp...
- Patent number 5,216,120
- Issue date Jun 1, 1993
- Shell Oil Company
- Eit Drent
- 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
Gas phase polyketone polymer preparation with preliminary addition...
- Patent number 5,210,178
- Issue date May 11, 1993
- Shell Oil Company
- Johannes J. Keijsper
- C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information Patent Grant
Polymerization of carbon monoxide/olefin with P bidentate ligand ha...
- Patent number 5,171,832
- Issue date Dec 15, 1992
- 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
Catalyst compositions
- Patent number 5,147,840
- Issue date Sep 15, 1992
- Shell Oil Company
- Abe W. de Jong
- C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information Patent Grant
Crystalline (metallo)silicates and process for preparing such (meta...
- Patent number 5,008,094
- Issue date Apr 16, 1991
- Shell Oil Company
- Johannes J. Keijsper
- C01 - INORGANIC CHEMISTRY

Johannes Jacobus Keijsper

Person

Patents Grantslast 30 patents

Process for the preparation of vinylesters

Polymerization process

Process for the preparation of copolymers

Polymerization process

Polymerization process

Process for preparing a crystalline zeolite

Vapor phase polymerization of co/olefin with palladium compound, Le...

Hexakis phosphine catalyst

Continuous gas phase polymerization of CO/olefin with palladium and...

Polymerization of CO/olefin wth catalyst chemically bound to partic...

Polymerization process

Gas phase polymerization of CO/olefin with particular catalyst support

Polyketone polymer preparation with tetra alkyl bis phosphine ligan...

Preparation of high molecular weight carbon monoxide/styrene copoly...

Polymerization of co/olefin with catalyst comprising palladium comp...

Polymerization process

Gas phase polyketone polymer preparation with preliminary addition...

Polymerization of carbon monoxide/olefin with P bidentate ligand ha...

Polymerization of carbon monoxide/olefin with hexakis phosphine ligand

Catalyst compositions

Crystalline (metallo)silicates and process for preparing such (meta...