WO2004000457-A1 -- JP04059048-A   ;  JP2001017861-A   ;  JP2001212458-A   ;  WO2000017097-A1   ;  EP1535661-A1 -- EP206535-A   ;  US4158737-A   NAT DISTILLERS & CHEM CORP (NADI)   BARTSCH R C;  WO2000017097-A1   ;  US2005288180-A1 -- US2854404-A   ;  US2959536-A   ;  US3151180-A   ;  US3169993-A   ;  US3331787-A   ;  US3565830-A   ENGELHARD MINERALS & CHEM CORP (ENGH);  US3840471-A   JOHNSON MATTHEY CO LTD (JOHO);  US4038175-A   UNION CARBIDE CORP (UNIC)   BHASIN M M;  US4049578-A   MOBIL OIL CORP (MOBI)   REAGAN W J,  CHEN N Y;  US4119567-A   NAT DISTILLERS & CHEM CORP (NADI)   BARTSCH R C;  US4158737-A   NAT DISTILLERS & CHEM CORP (NADI)   BARTSCH R C;  US4172047-A   FORD MOTOR CO (FORD)   GANDHI H S,  SHELEF M,  YAO H C,  KUMMER J T,  STEPIEN H K;  US4200552-A   TOYOTA JIDOSHA KK (TOYT);  N G K INSULATORS (NIGA)   NOGUCHI M N,  BUNDA T O,  YAMAMOTO N;  US4224302-A   NIPPON SOKEN KK (NSOK);  US4237030-A   TOYOTA JIDOSHA KK (TOYT);  NIPPON GAISHI KK (NIGA);  US4616093-A   UNION CARBIDE CORP (UNIC)   KAPICAK L A,  HENRY J P;  US4713363-A   DOW CHEM CO (DOWC)   HUCUL D A;  US4757045-A   ENGELHARD MINERALS CORP (ENGH)   TURNER M E,  DETTLING J C,  JAGEL K L;  US4910180-A   DODUCO DUERRWAECHTER FA E (DURE)   BERNDT M,  KSINSIK D;  US5145826-A   AMOCO CORP (STAD)   HIRSCHBERG E H,  HUFF G A;  US5164072-A   GRACE & CO W R (GRAC)   PETERS A W;  US5378767-A   SHELL OIL CO (SHEL)   MASSIE S N;  US5395406-A   EXXON RES & ENG CO (ESSO)   CLAVENNA L R,  DAVIS S M,  FIATO R A,  SAY G R;  US5597772-A   FORD MOTOR CO (FORD)   GANDHI H S,  MCCABE R W,  USMEN R K;  US5856263-A   UNION CARBIDE CHEM & PLASTICS TECHNOLOGY (UNIC)   JARRELL M S,  BHASIN M M;  US5883038-A   KOREA RES INST CHEM TECHNOLOGY (KRIC)   PARK D C,  AHN P K;  US5997830-A   NE CHEMCAT CORP (NECH-Non-standard)   ITOH T,  KOSAKI Y,  SHIOKAWA K;  US20020077514-A1   ;  US20020172640-A1   ;  US6248684-B1   ENGELHARD CORP (ENGH)   YAVUZ B O,  VOSS K E,  DEEBA M,  ADOMAITIS J R,  FARRAUTO R J;  US6429167-B1   IDEMITSU KOSAN CO LTD (IDEK)   MAENO H,  MATSUMOTO H;  US7345007-B2 -- US2854404-A   ;  US2959536-A   ;  US3151180-A   ;  US3169993-A   ;  US3331787-A   ;  US3565830-A   ENGELHARD MINERALS & CHEM CORP (ENGH);  US3840471-A   JOHNSON MATTHEY CO LTD (JOHO);  US4038175-A   UNION CARBIDE CORP (UNIC)   BHASIN M M;  US4049578-A   MOBIL OIL CORP (MOBI)   REAGAN W J,  CHEN N Y;  US4119567-A   NAT DISTILLERS & CHEM CORP (NADI)   BARTSCH R C;  US4158737-A   NAT DISTILLERS & CHEM CORP (NADI)   BARTSCH R C;  US4172047-A   FORD MOTOR CO (FORD)   GANDHI H S,  SHELEF M,  YAO H C,  KUMMER J T,  STEPIEN H K;  US4200552-A   TOYOTA JIDOSHA KK (TOYT);  N G K INSULATORS (NIGA)   NOGUCHI M N,  BUNDA T O,  YAMAMOTO N;  US4224302-A   NIPPON SOKEN KK (NSOK);  US4237030-A   TOYOTA JIDOSHA KK (TOYT);  NIPPON GAISHI KK (NIGA);  US4616093-A   UNION CARBIDE CORP (UNIC)   KAPICAK L A,  HENRY J P;  US4713363-A   DOW CHEM CO (DOWC)   HUCUL D A;  US4757045-A   ENGELHARD MINERALS CORP (ENGH)   TURNER M E,  DETTLING J C,  JAGEL K L;  US4910180-A   DODUCO DUERRWAECHTER FA E (DURE)   BERNDT M,  KSINSIK D;  US5145826-A   AMOCO CORP (STAD)   HIRSCHBERG E H,  HUFF G A;  US5164072-A   GRACE & CO W R (GRAC)   PETERS A W;  US5378767-A   SHELL OIL CO (SHEL)   MASSIE S N;  US5395406-A   EXXON RES & ENG CO (ESSO)   CLAVENNA L R,  DAVIS S M,  FIATO R A,  SAY G R;  US5597772-A   FORD MOTOR CO (FORD)   GANDHI H S,  MCCABE R W,  USMEN R K;  US5856263-A   UNION CARBIDE CHEM & PLASTICS TECHNOLOGY (UNIC)   JARRELL M S,  BHASIN M M;  US5883038-A   KOREA RES INST CHEM TECHNOLOGY (KRIC)   PARK D C,  AHN P K;  US5997830-A   NE CHEMCAT CORP (NECH-Non-standard)   ITOH T,  KOSAKI Y,  SHIOKAWA K;  US20020077514-A1   ;  US20020172640-A1   ;  US6248684-B1   ENGELHARD CORP (ENGH)   YAVUZ B O,  VOSS K E,  DEEBA M,  ADOMAITIS J R,  FARRAUTO R J;  US6429167-B1   IDEMITSU KOSAN CO LTD (IDEK)   MAENO H,  MATSUMOTO H;  JP04059048-A   ;  JP2001017861-A   ;  JP2001212458-A   ;  WO2000017097-A1