Inventor

HANTZER SYLVAIN

US19 patents

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

HANTZER SYLVAIN

EXXONMOBIL RES & ENG CO

Process for preparing basestocks having high VI

Wax isomerate yield enhancement by oxygenate pretreatment of catalyst

Catalyst for wax isomerate yield enhancement by oxygenate pretreatment

Process for preparing basestocks having high VI using oxygenated dewaxing catalyst

Sour service hydroprocessing for lubricant base oil production

Process for making lube oil basestocks

Wax isomerate yield enhancement by oxygenate pretreatment of feed

Production of lubricating oils by a combination catalyst system

Process for preparing basestocks having high VI using oxygenated dewaxing catalyst

Ex-situ reduction and dry passivation of noble metal catalysts

EXXON RESEARCH ENGINEERING CO

Desulfurization and aromatic saturation of feedstreams containing refractory organosulfur heterocycles and aromatics

Process for the production of medicinal white oil

Desulfurization process for refractory organosulfur heterocycles

Desulfurization and aromatic saturation of feedstreams containing refractory organosulfur heterocycles and aromatics

Selective opening of five and six membered rings

Process for selectively opening naphthenic rings

PECHINEY ELECTROMETALLURGIE

Process for the production of silicon carbide with a large specific surface area and use for high-temperature catalytic reactions

ZHANG LEI

Base stock production using a high activity catalyst

GRIBSCHAW THOMAS ANDREW

Ultra pure fluids