;  WO2003072491-A1 -- US3645701-A   LUMMUS CO (LUMM);  US5242574-A   INST FRANCAIS DU PETROLE (INSF)   BROUTIN P,  BUSSON C,  MONTOYA A,  WEILL J;  US6803029-B2 -- EP609079-A1   SASOL CHEM IND PTY LTD (SASO)   JAGER B,  STEYNBERG A P,  INGA J R,  KELFKENS R C,  SMITH M A,  MALHERBE F E J;  US1988217-A   ;  US3254969-A   ;  US3486927-A   ;  US3645701-A   LUMMUS CO (LUMM);  US3827967-A   ;  US4365006-A   ENERGY RES CORP (ENER-Non-standard)   BAKER B S;  US4830834-A   HALDOR TOPSOE AS (TOPS);  STAHL H O (STAH-Individual);  EPRI ELEC POWER RES (EPRI-Non-standard)   STAHL H O,  ROSTRUPNIE J R;  US5149464-A   GAS RES INST (GASR-Non-standard)   GREEN M L H;  US5242574-A   INST FRANCAIS DU PETROLE (INSF)   BROUTIN P,  BUSSON C,  MONTOYA A,  WEILL J;  US5346779-A   ISHIKAWAJIMA HARIMA HEAVY IND (ISHI)   NAKAZAWA K;  US5413700-A   CHEVRON RES & TECHNOLOGY CO (CALI)   HEYSE J V,  MULASKEY B F;  US5486313-A   SHELL INT RES MIJ BV (SHEL);  SHELL CANADA LTD (SHEL)   DE JONG K P,  SCHOONEBEEK R J,  VONKEMAN K A,  LEDNOR P W,  OUD A E M,  VAN DER ZWET G P;  US5527632-A   ROLLS ROYCE & ASSOC LTD (RORO)   GARDNER F J;  US5593571-A   CHEVRON RES & TECHNOLOGY CO (CALI)   HEYSE J V,  MULASKEY B F;  US5676821-A   CHEVRON CHEM CO (CALI)   HISE R L,  MULASKEY B F,  HEYSE J V,  TRUMBULL S E;  US5849969-A   ;  US5863418-A   CHEVRON RES & TECHNOLOGY CO (CALI)   HEYSE J V,  MULASKEY B F,  INNES R A,  HAGEWIESCHE D P,  HUBRED G L,  MOORE S C,  BRYAN P F,  HISE R L,  TRUMBULL S E;  US5866743-A   ;  US5932141-A   HALDOR TOPSOE AS (TOPS)   ROSTRUP-NIELSEN J,  CHRISTENSEN P S,  HANSEN V L;  US6019943-A   ;  US6083425-A   LITTLE INC ARTHUR D (LITT)   CLAWSON L G;  US6085512-A   SYNTROLEUM CORP (SYNT-Non-standard)   AGEE K L,  AGEE M A,  WEICK L J,  TREPPER E L;  US6123913-A   LITTLE INC ARTHUR D (LITT)   CLAWSON L G;  WO1999029249-A1   ;  WO1999048805-A1   ;  EP1490296-A1 -- EP269973-A   INCO ALLOYS INT INC (INTN)   SMITH G D,  TASSEN C S;  US4297150-A   BRITISH PETROLEUM CO LTD (BRPE)   FOSTER A I,  SIMS M L,  YOUNG D;  US4532109-A   ;  US4536455-A   JGC CORP (JAGA);  TAIHEI KINZOKU KOGYO CO (TAIH-Non-standard)   KEIKICHI M,  TAKAHIRO I,  EIICHI S;  US4545893-A   ;  US6274113-B1   CHEVRON CHEM CO (CALI)   HEYSE J V,  HAGEWIESCHE D P,  SPINDLER P M