Inventor
ARRETZ EMMANUEL
FR17 patents
⚠️ This page may combine multiple inventors who share the name “ARRETZ EMMANUEL”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
ELF AQUITAINE
14 patentsUS5068445ANov 26, 1991
Process for the preparation of organic disulphides and polysulphides
ELF AQUITAINE45 citations92
US5493058AFeb 20, 1996
Synthesis of methyl mercaptan from dimethyl disulphide
ELF AQUITAINE25 citations90
US5312993AMay 17, 1994
Process for the manufacture of dimethyl disulphide
ELF AQUITAINE17 citations73
US4891445AJan 2, 1990
Synthesis of tertiary mercaptans from isobutylene homopolymers
ELF AQUITAINE6 citations73
US5817716AOct 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
US4443310AApr 17, 1984
Photoinitiated synthesis of mercaptans
ELF AQUITAINE11 citations71
US4565893AJan 21, 1986
Process of synthesis of mercaptans from olefins and hydrogen sulphide by heterogeneous catalysis
ELF AQUITAINE13 citations69
US5767229AJun 16, 1998
Process for the preparation of organic disulphides and polysulphides in the presence of polystyrene-divinyl-benzene (PS-DVB) resins possessing guanidine or amidine groups
ELF AQUITAINE13 citations66
US5786511AJul 28, 1998
Process for the preparation of organic disulphides and polysulphides in the presence of polystyrene-divinyl-benzene possessing primary amine groups
ELF AQUITAINE3 citations62
US4943662AJul 24, 1990
Process for preparation of dithiols
ELF AQUITAINE4 citations62
US4507505AMar 26, 1985
Production of 2-mercapto ethanol-1
ELF AQUITAINE5 citations62
US4985586AJan 15, 1991
Process for the preparation of mercaptoalcohols
ELF AQUITAINE6 citations58
US5973080AOct 26, 1999
Process for the preparation of resins with a primary amine or guanidine function, and resins thus obtained
ELF AQUITAINE0 citations49