Inventor
LE PERCHEC PIERRE
FR13 patents
⚠️ This page may combine multiple inventors who share the name “LE PERCHEC PIERRE”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
INST FRANCAIS DU PETROLE
4 patentsUS6410671B1Jun 25, 2002
Zwitterion derivative and application to aqueous suspension properties
INST FRANCAIS DU PETROLE25 citations92
US4704229ANov 3, 1987
Surface-active compounds of the sulfobetaines family, their manufacture and use, particularly for enhanced oil recovery
INST FRANCAIS DU PETROLE9 citations69
US4596680AJun 24, 1986
Process for manufacturing aryl ethers having different substituents on the two aromatic rings
INST FRANCAIS DU PETROLE6 citations62
US4869804ASep 26, 1989
Process for the thermal conversion of heavy petroleum fractions and refining residues, in the presence of oxygen compounds of sulfur and nitrogen and compositions containing these compounds
INST FRANCAIS DU PETROLE4 citations59
ELF AQUITAINE
3 patentsUS5817716AOct 6, 1998
Resins with a primary amine or guanidine function
ELF AQUITAINE8 citations71
US5726253AMar 10, 1998
Process for the preparation of resins with a primary amine or guanidine function, and resins thus obtained
ELF AQUITAINE5 citations71
US5973080AOct 26, 1999
Process for the preparation of resins with a primary amine or guanidine function, and resins thus obtained
ELF AQUITAINE0 citations49