;  WO200282566-A2 -- EP952241-A1   NE CHEMCAT CORP (NECH-Non-standard)   ITOH T,  SATO J;  JP08066632-A   ;  WO2000035037-A1   ;  WO2000054346-A2   ;  WO2000069009-A2   ;  US6663998-B2 -- EP292184-A   YANMAR DIESEL ENGINE CO (YANM)   HASHINMOTO K,  KANDA T,  KAWASHIMA A,  ASAMI K;  EP952241-A1   NE CHEMCAT CORP (NECH-Non-standard)   ITOH T,  SATO J;  EP1022795-A1   TANAKA KIKINZOKU KOGYO KK (TANI);  WATANABE M (WATA-Individual)   TADA T,  INOUE M,  YAMAMOTO Y;  EP764466-A2   MATSUSHITA ELECTRIC IND CO LTD (MATU)   YASUMOTO E,  HATOH K,  GAMOU T;  EP880188-A2   DEGUSSA AG (DEGS)   AUER E,  FREUND A,  LEHMANN T,  STARZ K,  SCHWARZ R,  STENKE U;  EP945910-A2   DEGUSSA-HUELS AG (DEGS)   ZUBER R,  FEHL K,  STARZ K,  STENKE U;  JP07201344-A   ;  JP09035736-A   ;  JP11312526-A   ;  JP2000106193-A   ;  US3428544-A   ;  US5013618-A   INT FUEL CELLS CORP (ITFU)   LUCZAK F J;  US5028498-A   LINDSTROEM AB OLLE (LIND-Non-standard);  LINDSTROM OB (LIND-Individual)   LINDSTROM O;  US5208207-A   TANAKA KIKINZOKU KOGYO KK (TANI);  JAPAN & STONEHART ASSOC INC (NIST-Non-standard)   STONEHART P,  WATANABE M,  YAMAMOTO N,  NAKAMURA T,  HARA N,  TSURUMI K;  US5500307-A   NIPPON OIL KK (NIOC);  PETROLEUM ENERGY CENT FOUND (PETR-Non-standard)   ANZAI I,  MATSUOKA S,  UEHARA J;  US5879827-A   MINNESOTA MINING & MFG CO (MINN)   ZIEGLER R J,  THOMAS J H,  DEBE M K,  HAUGEN G M,  STEINBACH A J;  US5922487-A   WATANABE M (WATA-Individual);  STONEHART ASSOC INC (STON-Non-standard);  TANAKA KIKINZOKU KOGYO KK (TANI)   WATANABE M,  YAMAMOTO Y;  US6007934-A   DEGUSSA AG (DEGS)   AUER E,  FREUND A,  LEHMANN T,  STARZ K,  SCHWARZ R,  STENKE U;  US6066410-A   DEGUSSA AG (DEGS)   AUER E,  BEHL W,  LEHMANN T,  STENKE U;  US6146781-A   CALIFORNIA INST OF TECHNOLOGY (CALY)   SURAMPUDI S,  FRANK H A,  NARAYANAN S R,  CHUN W,  JEFFRIES-NAKAMURA B,  KINDLER A,  HALPERT G;  US6284402-B1   PENN STATE RES FOUND (PSRF)   MALLOUK T E,  SMOTKIN E,  REDDINGTON E,  SAPIENZA A;  US6299778-B1   CREAVIS GES TECHNOLOGIE & INNOVATION MBH (EVON)   PENTH B,  HYING C,  DUDA M,  HOERPEL G,  KUEHNLE A;  US6319293-B1   3M INNOVATIVE PROPERTIES CO (MINN)   DEBE M K,  POIRIER R J,  WACKERFUSS M K,  ZIEGLER R J;  US6326098-B1   NE CHEMCAT CORP (NECH-Non-standard)   ITOH T,  SATO J;  WO1998040161-A1   ;  WO2000035037-A1   ;  WO2000036679-A1   ;  WO2000054346-A2   ;  WO2000055928-A2   ;  WO2000069009-A2   ;  WO200282566-A3 -- EP952241-A1   NE CHEMCAT CORP (NECH-Non-standard)   ITOH T,  SATO J;  JP08066632-A   ;  WO2000035037-A1   ;  WO2000054346-A2   ;  WO2000069009-A2