Pierre Grandvallet

Person

Grand Couronne, FR

People

Patents Grantslast 30 patents

Information Patent Grant
Catalytic dehazing of lubricating base oils
- Patent number 5,951,847
- Issue date Sep 14, 1999
- Shell Oil Company
- Pierre Grandvallet
- C10 - PETROLEUM, GAS OR COKE INDUSTRIES TECHNICAL GASES CONTAINING CARBON MON...
Information Patent Grant
Single stage, stacked bed hydrotreating process utilizing a noble m...
- Patent number 5,868,921
- Issue date Feb 9, 1999
- Shell Oil Company
- Guy Barre
- C10 - PETROLEUM, GAS OR COKE INDUSTRIES TECHNICAL GASES CONTAINING CARBON MON...
Information Patent Grant
Catalytic dewaxing processes using alumina free coated catalyst
- Patent number 5,804,058
- Issue date Sep 8, 1998
- Shell Oil Company
- Pierre Grandvallet
- B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
Information Patent Grant
Process for improving lubricating base oil quality
- Patent number 5,554,307
- Issue date Sep 10, 1996
- Shell Oil Company
- Daniel N. N. Dagorn
- C10 - PETROLEUM, GAS OR COKE INDUSTRIES TECHNICAL GASES CONTAINING CARBON MON...
Information Patent Grant
Process for the preparation of lubricating base oils
- Patent number 5,470,454
- Issue date Nov 28, 1995
- Shell Oil Company
- Pierre Grandvallet
- C10 - PETROLEUM, GAS OR COKE INDUSTRIES TECHNICAL GASES CONTAINING CARBON MON...
Information Patent Grant
Process for the preparation of polar lubricating base oils
- Patent number 5,427,703
- Issue date Jun 27, 1995
- Shell Oil Company
- Pierre Grandvallet
- C10 - PETROLEUM, GAS OR COKE INDUSTRIES TECHNICAL GASES CONTAINING CARBON MON...
Information Patent Grant
Process for the preparation of lubricating base oils
- Patent number 5,378,351
- Issue date Jan 3, 1995
- Shell Oil Company
- Philippe Guichard
- C10 - PETROLEUM, GAS OR COKE INDUSTRIES TECHNICAL GASES CONTAINING CARBON MON...

Pierre Grandvallet

Person

Patents Grantslast 30 patents

Catalytic dehazing of lubricating base oils

Single stage, stacked bed hydrotreating process utilizing a noble m...

Catalytic dewaxing processes using alumina free coated catalyst

Process for improving lubricating base oil quality

Process for the preparation of lubricating base oils

Process for the preparation of polar lubricating base oils

Process for the preparation of lubricating base oils