Inventor
PARC GUY
FR21 patents
Patents
21 patentsUS4983558AJan 8, 1991
Process for presulfurizing a hydrocarbon treatment catalyst
INST FRANCAIS DU PETROLE85 citations96
US4795576AJan 3, 1989
Polysulfided olefin compositions, their preparation and use as additives for lubricants
INST FRANCAIS DU PETROLE42 citations92
US4645610AFeb 24, 1987
Method for the preparation of olefin polysulfides, the products obtained and their utilization as lubricant additives
INST FRANCAIS DU PETROLE49 citations92
US4747964AMay 31, 1988
Dispersing additive compositions for lubricating oils and their manufacture
INST FRANCAIS DU PETROLE24 citations82
US4766228AAug 23, 1988
Metal dihydrocarbyl-dithiophosphyl-dithiophosphates their manufacture and use as additives for lubricants
INST FRANCAIS DU PETROLE15 citations81
US4036771AJul 19, 1977
Lubricating bases for multigrade oils
INST FRANCAIS DU PETROLE29 citations81
US5346636ASep 13, 1994
Colloidal products containing boron and phosphorus, their preparation and their uses as lubricating additives
INST FRANCAIS DU PETROLE10 citations74
US5324440AJun 28, 1994
Surbased colloidal product containing organic sulfur and their use as detergent additives having an antiwear and extreme-pressure effect in lubricating oils
INST FRANCAIS DU PETROLE8 citations73
US4839069AJun 13, 1989
Olefin polysulfide compositions their manufacture and use as additives for lubricants
INST FRANCAIS DU PETROLE7 citations73
US5306436AApr 26, 1994
New phosphosulfides compounds and use thereof as oil lubricants
INST FRANCAIS DU PETROLE15 citations72
US5080812AJan 14, 1992
Thiophosphoretted compounds, their preparation and their use as additives for lubricants
INST FRANCAIS DU PETROLE7 citations72
US4882446ANov 21, 1989
Metal dihydrocarbyl-dithiophosphyl-dithiophosphates their manufacture and use as additives for lubricants
INST FRANCAIS DU PETROLE6 citations72
US4756843AJul 12, 1988
Copolymer compositions usable as additives for lubricating oils
INST FRANCAIS DU PETROLE14 citations72
US4059536ANov 22, 1977
Improved process for preparing superbasic detergent additives
INST FRANCAIS DU PETROLE9 citations72
US5286395AFeb 15, 1994
Olefin polysulfide compositions of high sulfur content and very low chlorine content, their manufacture and use as additives for lubricants
INST FRANCAIS DU PETROLE3 citations62
US5133889AJul 28, 1992
Polysulfurized olefin compositions, their preparation and use as additives in lubricants
INST FRANCAIS DU PETROLE4 citations62
US5463132AOct 31, 1995
Process for the preparation of phosphosulfide compounds useful as oil lubricants
INST FRANCAIS DU PETROLE4 citations61
US5284592AFeb 8, 1994
(Poly) sulfurized carboxylic compounds, their preparation and their use as petroleum additives for lubricating oils
INST FRANCAIS DU PETROLE4 citations61
US5256319AOct 26, 1993
New thiophosphoretted compounds, their preparation and their use as additives for lubricants
INST FRANCAIS DU PETROLE2 citations61
US4737298AApr 12, 1988
Process for manufacturing soluble organic calcium complexes, the resultant complexes and their use, particularly as additives for improving the combustion of gas oils and fuel oils
INST FRANCAIS DU PETROLE4 citations61
US5045221ASep 3, 1991
Polysulphurized olefin compositions, their preparation and their use as additives for lubricants
INST FRANCAIS DU PETROLE1 citations51