Inventor

GRANDVALLET PIERRE

NL14 patents

⚠️ This page may combine multiple inventors who share the name “GRANDVALLET PIERRE”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.

SHELL OIL CO

10 patents

US5378351AJan 3, 1995

Process for the preparation of lubricating base oils

SHELL OIL CO29 citations91

US5804058ASep 8, 1998

Catalytic dewaxing processes using alumina free coated catalyst

SHELL OIL CO47 citations90

US5868921AFeb 9, 1999

Single stage, stacked bed hydrotreating process utilizing a noble metal catalyst in the upstream bed

SHELL OIL CO26 citations88

US7261808B2Aug 28, 2007

Upgrading of pre-processed used oils

SHELL OIL CO13 citations79

US5023389AJun 11, 1991

Process for preparing normally liquid oxygenate and hydrocarbonaceous products from a hydrocarbon feed containing linear- and branched olefins

SHELL OIL CO15 citations67

US5554307ASep 10, 1996

INST FRANCAIS DU PETROLE

4 patents

US4791141ADec 13, 1988

Process for synthesizing a mixture of primary alcohols from a synthesis gas in the presence of a catalyst containing copper, cobalt, zinc and aluminum

INST FRANCAIS DU PETROLE29 citations92

US5266270ANov 30, 1993

On-line test and analysis process and equipment making it possible to establish a material balance of a chemical reaction

INST FRANCAIS DU PETROLE38 citations91

US4675343AJun 23, 1987

Process of use of a catalyst for synthesizing saturated primary aliphatic alcohols

INST FRANCAIS DU PETROLE17 citations74

US4988626AJan 29, 1991

On-line test and analysis process to establish a material balance of a chemical reaction

INST FRANCAIS DU PETROLE14 citations72

GRANDVALLET PIERRE

SHELL OIL CO

Process for the preparation of lubricating base oils

Catalytic dewaxing processes using alumina free coated catalyst

Single stage, stacked bed hydrotreating process utilizing a noble metal catalyst in the upstream bed

Upgrading of pre-processed used oils

Process for preparing normally liquid oxygenate and hydrocarbonaceous products from a hydrocarbon feed containing linear- and branched olefins

Process for improving lubricating base oil quality

Catalytic dehazing of lubricating base oils

Process for two-stage catalytic conversion of an olefins-containing feed

Process for the preparation of lubricating base oils

Process for the preparation of polar lubricating base oils

INST FRANCAIS DU PETROLE

Process for synthesizing a mixture of primary alcohols from a synthesis gas in the presence of a catalyst containing copper, cobalt, zinc and aluminum

On-line test and analysis process and equipment making it possible to establish a material balance of a chemical reaction

Process of use of a catalyst for synthesizing saturated primary aliphatic alcohols

On-line test and analysis process to establish a material balance of a chemical reaction