Douglas W. Stephan

Person

La Salle, CA

People

Patents Grantslast 30 patents

Information Patent Grant
Bis-phosphinimine catalyst
- Patent number 6,649,558
- Issue date Nov 18, 2003
- Nova Chemicals (International) S.A.
- Stephen John Brown
- C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information Patent Grant
Hydrocarbyl phosphinimine/cyclopentadienyl complexes of group IV me...
- Patent number 6,440,890
- Issue date Aug 27, 2002
- NOVA Chemicals (International) S.A.
- Rupert Edward von Haken Spence
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
Cyclopentadienyl/phosphinimine catalyst with one and only one activ...
- Patent number 6,355,744
- Issue date Mar 12, 2002
- Nova Chemicals (International) S.A.
- Rupert Edward von Haken Spence
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
Polymerization catalyst having a phosphinimine ligand
- Patent number 6,342,463
- Issue date Jan 29, 2002
- Nova Chemicals (International) S.A.
- Douglas W. Stephan
- C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information Patent Grant
Bis-phosphinimine catalyst
- Patent number 6,239,238
- Issue date May 29, 2001
- Nova Chemicals (International) S.A.
- Stephen John Brown
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
Aluminum-phosphinimine complexes as catalysts for the (co)polymeriz...
- Patent number 6,239,061
- Issue date May 29, 2001
- Nova Chemicals (International) S.A.
- Qinyan Wang
- C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information Patent Grant
High temperature solution polymerization process with phosphinimine...
- Patent number 6,063,879
- Issue date May 16, 2000
- Nova Chemicals (International) S.A.
- Douglas W. Stephan
- C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information Patent Grant
Supported phosphinimine-Cp catalysts
- Patent number 5,965,677
- Issue date Oct 12, 1999
- Nova Chemicals (International) S.A.
- Douglas W. Stephan
- C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information Patent Grant
Zirconium compounds, their preparation and their use as catalysts
- Patent number 5,726,335
- Issue date Mar 10, 1998
- University of Windsor
- Douglas W. Stephan
- C07 - ORGANIC CHEMISTRY

Patents Applicationslast 30 patents

Information Patent Application
Bis-phosphinimine catalyst
- Publication number 20010007895
- Publication date Jul 12, 2001
- NOVA CHEMICALS (INTERNATIONAL)S.A.
- Stephen John Brown
- C07 - ORGANIC CHEMISTRY

Douglas W. Stephan

Person

Patents Grantslast 30 patents

Bis-phosphinimine catalyst

Hydrocarbyl phosphinimine/cyclopentadienyl complexes of group IV me...

Cyclopentadienyl/phosphinimine catalyst with one and only one activ...

Polymerization catalyst having a phosphinimine ligand

Bis-phosphinimine catalyst

Aluminum-phosphinimine complexes as catalysts for the (co)polymeriz...

High temperature solution polymerization process with phosphinimine...

Supported phosphinimine-Cp catalysts

Zirconium compounds, their preparation and their use as catalysts

Patents Applicationslast 30 patents

Bis-phosphinimine catalyst