EP1528041-A1 -- US4927857-A   ENGELHARD MINERALS CORP (ENGH);  US20020134706-A1   ;  US20030129123-A1   ;  US6254807-B1   UNIV MINNESOTA (MINU)   SCHMIDT L D,  WITT P M;  US2005112057-A1 -- US4294726-A   DEUT GOLD & SILBER AG (DEGS)   BOZON A,  KOBERSTEIN E,  PLETKA H D;  US4927857-A   ENGELHARD MINERALS CORP (ENGH);  US5045521-A   DEGUSSA AG (DEGS)   LOX E,  KOBERSTEIN E,  ENGLER B;  US5720901-A   SHELL INT RES MIJ BV (SHEL);  SHELL CANADA LTD (SHEL)   DE JONG K P,  SCHOONEBEEK R J,  VONKEMAN K A;  US6150288-A   TOYOTA CHUO KENKYUSHO KK (TOYW)   SUZUKI T,  SOBUKAWA H;  US20020134706-A1   ;  US20030103886-A1   ;  US20030125202-A1   ;  US20030129123-A1   ;  US20030139290-A1   ;  US20040048741-A1   ;  US20040082470-A1   ;  US20040092395-A1   ;  US20050176580-A1   ;  US6180075-B1   DEGUSSA AG (DEGS)   LINDNER D,  MUSSMANN L,  VAN YPEREN R,  KREUZER T,  LOX E;  US6254807-B1   UNIV MINNESOTA (MINU)   SCHMIDT L D,  WITT P M;  US6294140-B1   DEGUSSA-HUELS AG (DEGS)   MUSSMANN L,  LINDNER D,  HARRIS M,  KREUZER T,  LOX E;  US6306794-B1   TOYOTA CHUO KENKYUSHO KK (TOYW)   SUZUKI T,  SOBUKAWA H;  US6348430-B1   DEGUSSA AG (DEGS)   LINDNER D,  VAN YPEREN R,  MUSSMANN L,  LOX E,  KREUZER T;  US6350421-B1   DEGUSSA-HUELS AG (DEGS)   STREHLAU W,  GOEBEL U,  MUSSMANN L,  DOMESLE R;  US6403526-B1   GRACE & CO-CONN W R (GRAC)   LUSSIER R J,  WALLACE M D;  US6585944-B1   DELPHI TECHNOLOGIES INC (DELP)   NUNAN J G,  BORTUN A I;  US6752969-B1   DENSO CORP (NPDE)   NISHIMURA M,  ITO K;  US6524992-B2   DMC2 DEGUSSA METALS CATALYSTS CERDEC AG (DEGS)   MUSSMANN L,  LINDNER D,  VOTSMEIER M,  LOX E,  KREUZER T;  US6764665-B2   ENGELHARD CORP (ENGH)   DEEBA M,  STEGER J J,  RABINOWITZ H N,  FOONG J S;  US6858193-B2   OMG & CO AG KG (OMGO-Non-standard);  US6875725-B2   OMG & CO AG KG (OMGO-Non-standard)   LINDNER D,  MUSSMANN L,  VOTSMEIER M,  LOX E,  KREUZER T;  US6926875-B2   TOYOTA CHUO KENKYUSHO KK (TOYW)   HATANAKA M,  SUDA A,  TANAKA T,  TAKAHASHI N,  YAMAMOTO T,  AKIMOTO Y,  TERAO N;  US7316806-B2 -- EP112613-A   ENGELHARD MINERALS CORP (ENGH);  JP2002121006-A   ;  US4294726-A   DEUT GOLD & SILBER AG (DEGS)   BOZON A,  KOBERSTEIN E,  PLETKA H D;  US4927857-A   ENGELHARD MINERALS CORP (ENGH);  US5045521-A   DEGUSSA AG (DEGS)   LOX E,  KOBERSTEIN E,  ENGLER B;  US5720901-A   SHELL INT RES MIJ BV (SHEL);  SHELL CANADA LTD (SHEL)   DE JONG K P,  SCHOONEBEEK R J,  VONKEMAN K A;  US6150288-A   TOYOTA CHUO KENKYUSHO KK (TOYW)   SUZUKI T,  SOBUKAWA H;  US20020134706-A1   ;  US20030103886-A1   ;  US20030125202-A1   ;  US20030129123-A1   ;  US20030139290-A1   ;  US20040048741-A1   ;  US20040082470-A1   ;  US20040092395-A1   ;  US20050176580-A1   ;  US6180075-B1   DEGUSSA AG (DEGS)   LINDNER D,  MUSSMANN L,  VAN YPEREN R,  KREUZER T,  LOX E;  US6254807-B1   UNIV MINNESOTA (MINU)   SCHMIDT L D,  WITT P M;  US6294140-B1   DEGUSSA-HUELS AG (DEGS)   MUSSMANN L,  LINDNER D,  HARRIS M,  KREUZER T,  LOX E;  US6306794-B1   TOYOTA CHUO KENKYUSHO KK (TOYW)   SUZUKI T,  SOBUKAWA H;  US6348430-B1   DEGUSSA AG (DEGS)   LINDNER D,  VAN YPEREN R,  MUSSMANN L,  LOX E,  KREUZER T;  US6350421-B1   DEGUSSA-HUELS AG (DEGS)   STREHLAU W,  GOEBEL U,  MUSSMANN L,  DOMESLE R;  US6403526-B1   GRACE & CO-CONN W R (GRAC)   LUSSIER R J,  WALLACE M D;  US6585944-B1   DELPHI TECHNOLOGIES INC (DELP)   NUNAN J G,  BORTUN A I;  US6752969-B1   DENSO CORP (NPDE)   NISHIMURA M,  ITO K;  US6524992-B2   DMC2 DEGUSSA METALS CATALYSTS CERDEC AG (DEGS)   MUSSMANN L,  LINDNER D,  VOTSMEIER M,  LOX E,  KREUZER T;  US6764665-B2   ENGELHARD CORP (ENGH)   DEEBA M,  STEGER J J,  RABINOWITZ H N,  FOONG J S;  US6858193-B2   OMG & CO AG KG (OMGO-Non-standard);  US6875725-B2   OMG & CO AG KG (OMGO-Non-standard)   LINDNER D,  MUSSMANN L,  VOTSMEIER M,  LOX E,  KREUZER T;  US6926875-B2   TOYOTA CHUO KENKYUSHO KK (TOYW)   HATANAKA M,  SUDA A,  TANAKA T,  TAKAHASHI N,  YAMAMOTO T,  AKIMOTO Y,  TERAO N;  AU2004224919-B2 -- US4927857-A   ENGELHARD MINERALS CORP (ENGH);  JP4875295-B2 -- US4927857-A   ENGELHARD MINERALS CORP (ENGH);  US20020134706-A1   ;  US20030129123-A1   ;  WO2002018269-A3