WO200048261-A1 -- EP421169-A   ;  JP05049930-A   ;  JP05201702-A   ;  JP08217405-A   ;  JP09049609-A   ;  JP11185784-A   ;  JP54112793-A   NISSAN GIRDLER CATALYST (NISS-Non-standard);  JP58032001-A   BABCOCK-HITACHI KK (HITG)   KATO Y,  KONISHI K,  IMAHASHI A,  OTA M;  JP2000095506-A   MATSUSHITA ELECTRIC WORKS LTD (MATW)   KUSUMURA K,  SHINAGAWA M;  US4257920-A   SOC FR PROD CATALYSE (SFPC);  US2004197618-A1 -- US4257920-A   SOC FR PROD CATALYSE (SFPC);  US5073532-A   DEGUSSA AG (DEGS)   DOMESLE R,  ENGLER B,  KOBERSTEIN E,  SCHUBERT P;  US5496941-A   BASF AG (BADI)   ACHHAMMER G,  LUYKEN H,  FUCHS E,  SCHNURR W,  RITZ J,  FISCHER R;  US5712052-A   TOYOTA JIDOSHA KK (TOYT)   KAWATSU S;  US5911961-A   ICT KK (ICTI-Non-standard)   YOKOMIZO T,  HORIUCHI M;  US6045764-A   HITACHI LTD (HITA)   IIZUKA H,  KURODA O,  OGAWA T,  YAMASHITA H,  AZUHATA S,  KITAHARA Y,  ATAGO T,  TOKUDA H,  ISHIKAWA T,  HANAOKA H,  HIDA H,  ICHIKAWA S,  HIRATSUKA T;  US6165633-A   TOYOTA JIDOSHA KK (TOYT)   NEGISHI Y;  US6316134-B1   BALLARD GENERATION SYSTEMS INC (BALL-Non-standard)   COWNDEN R,  EICHE M,  LOUIE C R,  WATKINS D S;  US6334936-B1   UNIV CENT FLORIDA (UYFL-Non-standard)   TABATABAIE-RAISSI A,  MURADOV N Z,  MARTIN E D;  US2007190374-A1 -- US4257920-A   SOC FR PROD CATALYSE (SFPC);  US5073532-A   DEGUSSA AG (DEGS)   DOMESLE R,  ENGLER B,  KOBERSTEIN E,  SCHUBERT P;  US5496941-A   BASF AG (BADI)   ACHHAMMER G,  LUYKEN H,  FUCHS E,  SCHNURR W,  RITZ J,  FISCHER R;  US5712052-A   TOYOTA JIDOSHA KK (TOYT)   KAWATSU S;  US5911961-A   ICT KK (ICTI-Non-standard)   YOKOMIZO T,  HORIUCHI M;  US6045764-A   HITACHI LTD (HITA)   IIZUKA H,  KURODA O,  OGAWA T,  YAMASHITA H,  AZUHATA S,  KITAHARA Y,  ATAGO T,  TOKUDA H,  ISHIKAWA T,  HANAOKA H,  HIDA H,  ICHIKAWA S,  HIRATSUKA T;  US6165633-A   TOYOTA JIDOSHA KK (TOYT)   NEGISHI Y;  US6316134-B1   BALLARD GENERATION SYSTEMS INC (BALL-Non-standard)   COWNDEN R,  EICHE M,  LOUIE C R,  WATKINS D S;  US6334936-B1   UNIV CENT FLORIDA (UYFL-Non-standard)   TABATABAIE-RAISSI A,  MURADOV N Z,  MARTIN E D