WO2003067682-A2 -- GB1476121-A   CHEMNOR CORP (CHEM-Non-standard);  JP03119087-A   ;  JP07169470-A   ;  US20010026884-A1   ;  WO2001064804-A1   ;  WO2001005520-A2   ;  US2003157391-A1 -- US2928858-A   ;  US2929829-A   ;  US3671562-A   UNION CARBIDE CORP (UNIC);  US3754971-A   UNION CARBIDE CORP (UNIC);  US4046794-A   UNION CARBIDE CORP (UNIC);  US4209455-A   UNION CARBIDE CORP (UNIC)   PEPE E J;  US4481322-A   UNION CARBIDE CORP (UNIC)   GODLEWSKI R E,  OSTERHOLTL F D;  US4983472-A   INT FUEL CELLS CORP (ITFU)   KATZ M,  BONK S P,  MARICLE D L,  ABRAMS M;  US5460897-A   ALLIED-SIGNAL INC (ALLC)   GIBSON R,  MACKNIGHT A;  US5503945-A   INST GAS TECHNOLOGY (IGTE)   BACHTA R P,  MARIANOWSKI L G,  MEEK J,  PETRI R J;  US5527363-A   BALLARD POWER SYSTEMS INC (BLRD)   WILKINSON D P,  LAMONT G J,  VOSS H H,  SCHWAB C;  US5776624-A   GENERAL MOTORS CORP (GENK)   NEUTZLER J K;  US5858567-A   AEROJET GEN CORP (AERG)   SPEAR R G,  MUEGGENBURG H H,  HODGE R;  US6040076-A   M-C POWER CORP (MCPO-Non-standard)   REEDER K W;  US6080502-A   SIEMENS AG (SIEI)   NOELSCHER C,  MATTEJAT A;  US20010026884-A1   ;  US6383677-B1   ALLEN ENG CO INC (ALLE-Non-standard)   ALLEN J P;  US6500893-B2   NICHIAS CORP (NIAS)   YAMADA H,  MORIMOTO K,  KUSUNO K,  WADA S,  NISHIMOTO K;  US6858339-B2   HONDA GIKEN KOGYO KK (HOND)   UTSUNOMIYA M,  OHTANI T,  TSUJI M;  US2003170539-A1 -- US4216278-A   GENERAL ELECTRIC CO (GENE)   ARENDT R H,  CURRAN M J;  US4410607-A   US DEPT ENERGY (USAT)   ARONS R M,  DUSEK J T;  US4411968-A   UNITED TECHNOLOGIES CORP (UNAC)   REISER C A,  MARICLE D L;  US4716944-A   KW BATTERY CO (KWBA-Non-standard)   EGGERS M L;  US4780437-A   US DEPT ENERGY (USAT)   SMITH;  US4828613-A   MITSUBISHI KINZOKU KK (MITV);  MITSUBISHI ELECTRIC CORP (MITQ)   HOSHINO K,  NOUDA F,  YAHATA S;  US4883497-A   ARCH DEV CORP (ARCD)   CLAAR T D,  BUSCH D E,  PICCIOLO J J;  US4943496-A   HITACHI LTD (HITA)   OKADA H,  MORI T,  MITSUGI K,  IWASE Y,  KUROE S,  TAKEUCHI M,  KAMO T;  US5229221-A   ELECTRIC POWER RES INST INC (ELPO)   DONADO R A,  ONG E T;  US5432138-A   DEUT AEROSPACE AG (DAIM)   HOFMANN H;  US5453101-A   INST GAS TECHNOLOGY (IGTE)   ONG E T;  US5473008-A   HOECHST AG (FARH)   HESSEL F,  SEITZ K,  ROOSEN A,  WEGNER G,  MEYER W,  SIGMUND W;  US5582624-A   MTU FRIEDRICHSHAFEN GMBH (MOTU)   JANTSCH U,  KOCH H,  ROHLAND B,  WEILBERG F,  WENDT H;  US5983488-A   M-C POWER CORP (MCPO-Non-standard)   ERICKSON D S,  BERNAT C R;  US20040034164-A1   ;  US6383677-B1   ALLEN ENG CO INC (ALLE-Non-standard)   ALLEN J P