US2007093382-A1 -- US3565830-A   ENGELHARD MINERALS & CHEM CORP (ENGH);  US3825501-A   TEXACO INC (TEXC);  US3870455-A   ENGELHARD MINERALS CORP (ENGH)   HINDIN S G;  US4021366-A   TEXACO INC (TEXC)   ROBIN A M,  CHILD E T;  US4157316-A   ENGELHARD MINERALS CORP (ENGH)   THOMPSON C E,  MOONEY J J,  KEITH C D;  US4585752-A   GRACE & CO W R (GRAC)   ERNEST M V;  US4587231-A   NISSAN MOTOR CO LTD (NSMO)   ETO Y,  MINE J,  MASUDA K;  US4629612-A   VEG-GASINST NV (VEGG-Non-standard);  VEG GASINST NV (VEGI-Non-standard)   VANDERWAL W J J,  GEUS J W;  US4835132-A   DYSON REFRACT LTD (DYSN)   SAMBROOK R M;  US4868148-A   ALLIED-SIGNAL INC (ALLC)   HENK M G,  SUMMERS J C;  US5464606-A   BALLARD POWER SYSTEMS INC (BLRD)   LOUIE C,  BUSWELL R F,  CLAUSI J V;  US5480854-A   JOHNSON MATTHEY PLC (JOHO)   RAJARAM R R,  HAYES J W,  ANSELL G P,  HATCHER H A;  US5490977-A   ENGELHARD CORP (ENGH)   RABINOWITZ H N,  TAUSTER S J,  WAN C;  US5491120-A   ENGELHARD CORP (ENGH)   VOSS K E,  YAVUZ B O,  FARRAUTO R J,  GALLIGAN M P;  US5492878-A   MITSUI MINING & SMELTING CO (MITG)   FUJII,  SUZUKI K,  KIMURA K;  US5895772-A   GRIGOROVA B (GRIG-Individual);  PALAZOV A (PALA-Individual);  MELLOR J (MELL-Individual);  TUMILTY J A J (TUMI-Individual);  GAFIN A H (GAFI-Individual)   GRIGOROVA B,  PALAZOV A,  MELLOR J,  TUMILTY J A J,  GAFIN A H;  US5945369-A   TOYOTA CHUO KENKYUSHO KK (TOYW)   KIMURA M,  MATSUOKA Y,  SOBUKAWA H,  FUKUI M,  SUDA A,  KANDORI T,  UKYO Y;  US5948683-A   ENGELHARD CORP (ENGH)   KOERMER G S,  MOINI A;  US5990040-A   UNITED CATALYSTS INC (UNCA-Non-standard)   WAGNER J P,  HU X D;  US6033634-A   ISHIKAWAJIMA HARIMA HEAVY IND (ISHI)   KOGA M;  US20030186804-A1   ;  US6204219-B1   GRACE & CO-CONN W R (GRAC)   BREZNY R,  KORANNE M M;  US6299994-B1   UOP LLC (UNVO)   TOWLER G P,  DOSHI K J,  VANDEN BUSSCHE K M,  SENETAR J J;  US6322917-B1   PLUG POWER LLC (PLUG-Non-standard)   ACKER W P;  US6326329-B1   ASEC MFG (ASEC-Non-standard)   NUNAN J G;  US6409939-B1   UOP LLC (UNVO)   ABDO S F,  DEBOY C A,  SCHROEDER G F;  US6455182-B1   UTC FUEL CELLS LLC (UNAC)   SILVER R G;  US6777117-B1   MATSUSHITA ELECTRIC WORKS LTD (MATW)   IGARASHI A,  HIGASHI H,  MIZOBUCHI M,  HASHIMOTO N,  KINUGAWA K;  US7612011-B2 -- US20030186804-A1   ;  US6455182-B1   UTC FUEL CELLS LLC (UNAC)   SILVER R G;  US6777117-B1   MATSUSHITA ELECTRIC WORKS LTD (MATW)   IGARASHI A,  HIGASHI H,  MIZOBUCHI M,  HASHIMOTO N,  KINUGAWA K;  EP298351-A   GRACE & CO W R (GRAC)   KIM G,  ERNEST M V,  PLECHA S;  EP1046612-A1   MATSUSHITA ELECTRIC IND CO LTD (MATU)   TAGUCHI K,  TOMIZAWA T,  UKAI K,  SHONO T,  KITAGAWA K;  EP1161991-A1   MATSUSHITA ELECTRIC WORKS LTD (MATW)   IGARASHI A,  HIGASHI H,  MIZOBUCHI M,  HASHIMOTO N,  KINUGAWA K;  EP1256545-A1   MATSUSHITA ELECTRIC IND CO LTD (MATU)   TAGUCHI K,  TOMIZAWA T,  UKAI K,  SHONO T,  KITAGAWA K,  UEDA T,  FUJIHARA S,  YOSHIDA Y;  JP10202101-A   ;  JP11333294-A   JOHNSON MATTHEY JAPAN LTD (JOHO)   ZHANG G,  HIROTA T,  KURASHIMA Y,  MURAKI H;  US3565830-A   ENGELHARD MINERALS & CHEM CORP (ENGH);  US3825501-A   TEXACO INC (TEXC);  US3870455-A   ENGELHARD MINERALS CORP (ENGH)   HINDIN S G;  US4021366-A   TEXACO INC (TEXC)   ROBIN A M,  CHILD E T;  US4157316-A   ENGELHARD MINERALS CORP (ENGH)   THOMPSON C E,  MOONEY J J,  KEITH C D;  US4585752-A   GRACE & CO W R (GRAC)   ERNEST M V;  US4587231-A   NISSAN MOTOR CO LTD (NSMO)   ETO Y,  MINE J,  MASUDA K;  US4629612-A   VEG-GASINST NV (VEGG-Non-standard);  VEG GASINST NV (VEGI-Non-standard)   VANDERWAL W J J,  GEUS J W;  US4835132-A   DYSON REFRACT LTD (DYSN)   SAMBROOK R M;  US4868148-A   ALLIED-SIGNAL INC (ALLC)   HENK M G,  SUMMERS J C;  US5464606-A   BALLARD POWER SYSTEMS INC (BLRD)   LOUIE C,  BUSWELL R F,  CLAUSI J V;  US5480854-A   JOHNSON MATTHEY PLC (JOHO)   RAJARAM R R,  HAYES J W,  ANSELL G P,  HATCHER H A;  US5490977-A   ENGELHARD CORP (ENGH)   RABINOWITZ H N,  TAUSTER S J,  WAN C;  US5491120-A   ENGELHARD CORP (ENGH)   VOSS K E,  YAVUZ B O,  FARRAUTO R J,  GALLIGAN M P;  US5492878-A   MITSUI MINING & SMELTING CO (MITG)   FUJII,  SUZUKI K,  KIMURA K;  US5895772-A   GRIGOROVA B (GRIG-Individual);  PALAZOV A (PALA-Individual);  MELLOR J (MELL-Individual);  TUMILTY J A J (TUMI-Individual);  GAFIN A H (GAFI-Individual)   GRIGOROVA B,  PALAZOV A,  MELLOR J,  TUMILTY J A J,  GAFIN A H;  US5945369-A   TOYOTA CHUO KENKYUSHO KK (TOYW)   KIMURA M,  MATSUOKA Y,  SOBUKAWA H,  FUKUI M,  SUDA A,  KANDORI T,  UKYO Y;  US5948683-A   ENGELHARD CORP (ENGH)   KOERMER G S,  MOINI A;  US5990040-A   UNITED CATALYSTS INC (UNCA-Non-standard)   WAGNER J P,  HU X D;  US6033634-A   ISHIKAWAJIMA HARIMA HEAVY IND (ISHI)   KOGA M;  US6204219-B1   GRACE & CO-CONN W R (GRAC)   BREZNY R,  KORANNE M M;  US6299994-B1   UOP LLC (UNVO)   TOWLER G P,  DOSHI K J,  VANDEN BUSSCHE K M,  SENETAR J J;  US6322917-B1   PLUG POWER LLC (PLUG-Non-standard)   ACKER W P;  US6326329-B1   ASEC MFG (ASEC-Non-standard)   NUNAN J G;  US6409939-B1   UOP LLC (UNVO)   ABDO S F,  DEBOY C A,  SCHROEDER G F;  WO1996023573-A1   ;  WO1997044123-A1   ;  WO2001003828-A1