Inventor
DAOUDAL BERTRAND
FR5 patents
Patents
5 patentsUS5536424AJul 16, 1996
Sulfonated bismuth compounds
INST FRANCAIS DU PETROLE11 citations72
US5468399ANov 21, 1995
Colloidal products containing sulfur and/or phosphorus and/or boron, their preparation and their utilization as additives for lubricants
INST FRANCAIS DU PETROLE11 citations72
US5696062ADec 9, 1997
Colloidal products containing calcium barium and/or magnesium also bismuth modified by the action of carboxylic acids containing sulphur and optionally nitrogen
INST FRANCAIS DU PETROLE3 citations61
US5470495ANov 28, 1995
Colloidal products containing calcium and/or magnesium, as well as boron and/or phosphorus and/or sulfur, their preparation and their utilization as additives for lubricants
INST FRANCAIS DU PETROLE5 citations59
US5693597ADec 2, 1997
Colloidal alkaline or alkaline-earth carbonates containing a compound of calcium, phosphorus and sulphur in micellar form
INST FRANCAIS DU PETROLE2 citations58