;  WO2008005055-A2 -- EP1449811-A1   CATALYSTS & CHEM IND CO LTD (NISH)   KOYANAGI T,  SHIRONO K,  TANAKA A,  KOMATSU M;  JP2004130429-A   DOKURITSU GYOSEI HOJIN BUSSHITSU ZAIRYO (NIMS)   SASAKI T,  O R,  EBINA Y,  WATANABE;  WO2005090236-A1   NIPPON OIL CO LTD (NIOC);  ZH KANAGAWA KAGAKU GIJUTSU ACAD (KANA-Non-standard)   NAKAYAMA K,  KUBO T,  NISHIKITANI Y,  MASUDA H;  WO2008005055-A3 -- EP1449811-A1   CATALYSTS & CHEM IND CO LTD (NISH)   KOYANAGI T,  SHIRONO K,  TANAKA A,  KOMATSU M;  JP2004130429-A   DOKURITSU GYOSEI HOJIN BUSSHITSU ZAIRYO (NIMS)   SASAKI T,  O R,  EBINA Y,  WATANABE;  WO2005090236-A1   NIPPON OIL CO LTD (NIOC);  ZH KANAGAWA KAGAKU GIJUTSU ACAD (KANA-Non-standard)   NAKAYAMA K,  KUBO T,  NISHIKITANI Y,  MASUDA H;  US7521394-B2 -- EP1314477-A1   JAPAN SCI&TECHNOLOGY CORP (JSTA)   DOMEN K,  HARA M,  NOMURA J;  EP1354854-A1   SHOWA DENKO KK (SHOW)   TANAKA J,  SANBAYASHI M,  UEYOSHI Y,  HAGIHARA H;  EP1366811-A1   JAPAN SCI&TECHNOLOGY CORP (JSTA)   DOMEN K,  HARA M,  TAKATA T,  ISHIKAWA A;  EP1449811-A1   CATALYSTS & CHEM IND CO LTD (NISH)   KOYANAGI T,  SHIRONO K,  TANAKA A,  KOMATSU M;  EP1726567-A1   NIPPON OIL CO LTD (NIOC);  ZH KANAGAWA KAGAKU GIJUTSU ACAD (KANA-Non-standard)   NAKAYAMA K,  KUBO T,  NISHIKITANI Y,  MASUDA H;  JP11279453-A   ;  JP2002030416-A   ;  JP2003137549-A   CATALYSTS & CHEM IND CO LTD (NISH)   KOYANAGI T,  SHIRONO K,  TANAKA A,  KOMATSU M;  JP2004130429-A   DOKURITSU GYOSEI HOJIN BUSSHITSU ZAIRYO (NIMS)   SASAKI T,  O R,  EBINA Y,  WATANABE;  US5326633-A   ;  US5462674-A   PURIFICS ENVIRONMENTAL TECHNOLOGIES INC (PURI-Non-standard)   BUTTERS B E,  POWELL A L;  US5554300-A   ;  US5589078-A   POWELL A L (POWE-Individual);  BUTTERS B E (BUTT-Individual)   BUTTERS B E,  POWELL A L;  US6136203-A   BUTTERS B E (BUTT-Individual);  POWELL A L (POWE-Individual)   BUTTERS B E,  POWELL A L;  US6162530-A   UNIV CONNECTICUT (UCNT);  UNIV RUTGERS STATE NEW JERSEY (RUTF)   XIAO T D,  STRUTT P R,  KEAR B H,  CHEN H,  WANG D M;  US20020121206-A1   ;  US20030013607-A1   ;  US20030052310-A1   ;  US20030106488-A1   ;  US20030166765-A1   ;  US20030171446-A1   ;  US20040058149-A1   ;  US20040126624-A1   ;  US20040265587-A1   ;  US20050202241-A1   ;  US20060078726-A1   ;  US20060254461-A1   ;  US20070190765-A1   ;  US20070202334-A1   ;  US6215126-B1   POWELL A L (POWE-Individual);  BUTTERS B E (BUTT-Individual)   POWELL A L,  BUTTERS B E;  US6306343-B1   ECODEVICE LAB CO LTD (ECOD-Non-standard)   SUGIYAMA K;  US6329058-B1   MINNESOTA MINING & MFG CO (MINN)   ARNEY D S,  WOOD T E;  US6398971-B1   BUTTERS B E (BUTT-Individual);  POWELL A L (POWE-Individual)   BUTTERS B E,  POWELL A L;  US6413581-B1   PPG IND INC (PITT)   GREENBERG C B,  HARRIS C S,  KORTHUIS V,  KUTILEK L A,  SINGLETON D E,  SZANYI J,  THIEL J P;  US6673433-B1   TOTO LTD (TTOC)   SAEKI Y,  KOBAYASHI H,  MAYUMI Y,  TSUJIMICHI K,  FUJII H,  KAMESHIMA J,  MORIKAWA T,  TANAKA S,  NAKASHIMA Y,  KUGA T;  US6809145-B1   TAIHO IND CO LTD (TAIW)   OKAMURA K,  TAKANO S,  SHINOHARA S;  US6613300-B2   DEGUSSA AG (DEGS)   MANGOLD H,  GOLCHERT R,  KATUSIC S,  JANZON K;  US7232556-B2   NANOPRODUCTS CORP (NANO-Non-standard)   YADAV T;  WO2004007070-A1   UNIV QINGHUA (UYQI)   ZHU Y,  HE Y,  YU F;  WO2005090236-A1   NIPPON OIL CO LTD (NIOC);  ZH KANAGAWA KAGAKU GIJUTSU ACAD (KANA-Non-standard)   NAKAYAMA K,  KUBO T,  NISHIKITANI Y,  MASUDA H;  WO2007117332-A2   XIE R (XIER-Individual);  SHANG J (SHAN-Individual);  WU P (WUPP-Individual)   XIE R,  SHANG J,  WU P;  WO2008005055-A2   XIE R (XIER-Individual);  SHANG J (SHAN-Individual);  WU P (WUPP-Individual)   XIE R,  SHANG J,  WU P