WO2004103894-A1 -- US4946667-A   ENGELHARD MINERALS CORP (ENGH)   BESHTY B S,  WHELAN J A;  US4986978-A   ;  US5093102-A   INST FRANCAIS DU PETROLE (INSF)   DURAND D,  ORIEUX A,  COURTY P,  MOURATOFF S;  WO1992000241-A   ;  US7553475-B2 -- EP303438-A   DAVY MCKEE CORP (POGC)   DUNSTER M,  KORCHNAK J D;  US4372755-A   ENRECON INC (ENRE-Non-standard)   TOLMAN R,  STEPHENS F M;  US4485003-A   KRUPP GMBH FRIED (KRPP)   COENEN H,  HAGEN R,  KRIEGEL E;  US4946667-A   ENGELHARD MINERALS CORP (ENGH)   BESHTY B S,  WHELAN J A;  US4986978-A   ;  US5093102-A   INST FRANCAIS DU PETROLE (INSF)   DURAND D,  ORIEUX A,  COURTY P,  MOURATOFF S;  US5280701-A   ENVIRONMENTAL ENERGY SYSTEMS INC (ENVI-Non-standard)   TOLMAN R;  US5339621-A   ENVIRONMENTAL ENERGY SYSTEMS INC (ENVI-Non-standard)   TOLMAN R;  US5912424-A   LOCKHEED MARTIN ENERGY RES CORP (LOCK)   JUDKINS R R,  BURCHELL T D;  US5972077-A   LOCKHEED MARTIN ENERGY RES CORP (LOCK)   BURCHELL T D,  JUDKINS R R;  US6001256-A   EERC ENERGY & ENVIRONMENTAL RES CENT (EERC-Non-standard)   MILLER D J,  YANG Y,  LAGADEC A J,  HAWTHORNE S B;  US6083409-A   CENT COAL UTILIZATION (COAL-Non-standard);  AGENCY OF IND SCI & TECHNOLOGY (AGEN)   LIN S,  HATANO H,  SUZUKI Y;  US6267912-B1   EXXON RES & ENG CO (ESSO)   HERSHKOWITZ F,  CLAVENNA L R,  DECKMAN H W,  REYNOLDS R P,  GONATAS C,  FULTON J W,  SHOENMAN L,  ITO J;  US6284157-B1   ABB RES LTD (ALLM)   ELIASSON B,  KOGELSCHATZ U,  ZHOU L;  US6312658-B1   AIR PROD & CHEM INC (AIRP)   HUFTON J R,  SIRCAR S,  BAADE W F,  ABRARDO J M,  ANAND M;  US6352644-B1   EERC ENERGY & ENVIRONMENTAL RES CENT (EERC-Non-standard)   HAWTHORNE S B,  MILLER D J,  LAGADEC A J,  HAMMOND P J,  CLIFFORD A A;  US6447745-B1   EXXONMOBIL RES & ENG CO (ESSO)   FEELEY J S,  DUNSMUIR J H,  REYES S C,  BERLOWITZ P J,  BRODY J F,  DERITES B A,  LAI W F,  TILLER M L,  WOO H S,  BAI C;  US6504068-B1   MITSUBISHI HEAVY IND CO LTD (MITO)   MATSUBARA W,  KOBAYASHI K,  MAKIHARA H,  IIJIMA M;  US6589303-B1   MEMBRANE TECHNOLOGY & RES INC (MEMB-Non-standard)   LOKHANDWALA K A,  BAKER R W;  WO1992000241-A   ;  US8182787-B2 -- EP303438-A   DAVY MCKEE CORP (POGC)   DUNSTER M,  KORCHNAK J D;  US6284157-B1   ABB RES LTD (ALLM)   ELIASSON B,  KOGELSCHATZ U,  ZHOU L;  US7553475-B2   EERC ENERGY & ENVIRONMENTAL RES CENT (EERC-Non-standard)   TIMPE R,  AULICH T;  WO2004103894-A1   EERC ENERGY & ENVIRONMENTAL RES CENT (EERC-Non-standard)   TIMPE R,  AULICH T