EP657484-A1 -- EP119912-A   SOC NAT ELF AQUITAINE (ERAP);  HYDRO-QUEBEC (QUGO)   ARMAND M,  MULLER D,  DUVAL M,  HARVEY P E;  EP331307-A   DU PONT DE NEMOURS & CO E I (DUPO)   PECHHOLD E;  EP331342-A   IMPERIAL CHEM IND PLC (ICIL)   CHESHIRE P,  PRZEWORSKI J E;  NL8601042-A   ;  US5146005-A   GOLDSCHMIDT AG TH (GOLD)   WEITEMEYER C,  DOHLER H;  WO1993016988-A1   ;  EP657484-B1 -- EP119912-A   SOC NAT ELF AQUITAINE (ERAP);  HYDRO-QUEBEC (QUGO)   ARMAND M,  MULLER D,  DUVAL M,  HARVEY P E;  EP331307-A   DU PONT DE NEMOURS & CO E I (DUPO)   PECHHOLD E;  EP331342-A   IMPERIAL CHEM IND PLC (ICIL)   CHESHIRE P,  PRZEWORSKI J E;  NL8601042-A   ;  US5146005-A   GOLDSCHMIDT AG TH (GOLD)   WEITEMEYER C,  DOHLER H;  WO1993016988-A1   ;  US2004024174-A1 -- US5086351-A   ATOCHEM NORTH AMERICA INC (AQOR);  SOC NAT ELF AQUITAINE (ERAP)   COUPUT J P,  CAMPET G,  CHABACNO J,  MULLER M D,  COURREL M,  DIRKX R R,  FERRY D,  GARIE R;  US20040038132-A1   ;  US2004038132-A1 -- US3393243-A   JEFFERSON CHEM CO INC (JEFF);  US4578326-A   SOC NAT ELF AQUITAINE (ERAP);  HYDRO-QUEBEC (QUGO)   ARMAND M,  MULLER D,  DUVAL M,  HARVEY P E;  US4764567-A   BASF CORP (BADI)   OTT R A;  US5086351-A   ATOCHEM NORTH AMERICA INC (AQOR);  SOC NAT ELF AQUITAINE (ERAP)   COUPUT J P,  CAMPET G,  CHABACNO J,  MULLER M D,  COURREL M,  DIRKX R R,  FERRY D,  GARIE R;  US5206756-A   IMPERIAL CHEM IND PLC (ICIL);  CHESHIRE P (CHES-Individual)   CHESHIRE P;  US5350646-A   CNRS CENT NAT RECH SCI (CNRS);  HYDRO QUEBEC (QUGO)   ARMAND M,  SANCHEZ J,  DEROO D;  US5393847-A   HYDRO QUEBEC (QUGO);  CNRS CENT NAT RECH SCI (CNRS);  HYDRO-QUEBEC (QUGO)   ALLOIN F,  ARMAND M,  SANCHEZ J;  US6855788-B2 -- US5086351-A   ATOCHEM NORTH AMERICA INC (AQOR);  SOC NAT ELF AQUITAINE (ERAP)   COUPUT J P,  CAMPET G,  CHABACNO J,  MULLER M D,  COURREL M,  DIRKX R R,  FERRY D,  GARIE R;  US20040038132-A1   ;  US6903174-B2 -- FR2570224-A   ;  US3393243-A   JEFFERSON CHEM CO INC (JEFF);  US4578326-A   SOC NAT ELF AQUITAINE (ERAP);  HYDRO-QUEBEC (QUGO)   ARMAND M,  MULLER D,  DUVAL M,  HARVEY P E;  US4764567-A   BASF CORP (BADI)   OTT R A;  US5086351-A   ATOCHEM NORTH AMERICA INC (AQOR);  SOC NAT ELF AQUITAINE (ERAP)   COUPUT J P,  CAMPET G,  CHABACNO J,  MULLER M D,  COURREL M,  DIRKX R R,  FERRY D,  GARIE R;  US5206756-A   IMPERIAL CHEM IND PLC (ICIL);  CHESHIRE P (CHES-Individual)   CHESHIRE P;  US5350646-A   CNRS CENT NAT RECH SCI (CNRS);  HYDRO QUEBEC (QUGO)   ARMAND M,  SANCHEZ J,  DEROO D;  US5393847-A   HYDRO QUEBEC (QUGO);  CNRS CENT NAT RECH SCI (CNRS);  HYDRO-QUEBEC (QUGO)   ALLOIN F,  ARMAND M,  SANCHEZ J;  US2005159561-A1 -- US5086351-A   ATOCHEM NORTH AMERICA INC (AQOR);  SOC NAT ELF AQUITAINE (ERAP)   COUPUT J P,  CAMPET G,  CHABACNO J,  MULLER M D,  COURREL M,  DIRKX R R,  FERRY D,  GARIE R;  US20040038132-A1   ;  US6903174-B2   HYDRO QUEBEC (QUGO)   HARVEY P,  SANCHEZ J,  ALLOIN F