WO2007004716-A1 -- JP07246336-A   ;  JP09216964-A   ;  JP09235399-A   ;  JP11335473-A   TOKUYAMA SODA KK (TOKU)   HIRAYAMA H,  SAKATA K;  JP2001135328-A   ;  JP2001167775-A   TOSHIBA KK (TOKE)   HAYASE S,  NAKANO Y,  OZU H,  HOBSON R;  JP2001236973-A   TOYOTA JIDOSHA KK (TOYT)   TANIGUCHI T,  NAKANO M,  KAWASUMI M,  MORIMOTO Y,  HASEGAWA N;  JP2002100373-A   WOWTEC JH (WOWT-Non-standard)   KIM D I,  LEE C H,  KIM D C;  JP2002329500-A   ;  JP2002338721-A   ;  JP2002512291-A   UNIV STUTTGART LEHRSTUHL & INST CHEM VER (UYST-Non-standard)   KERRES J,  HAERING T,  ULRICH A;  JP2003022824-A   TOYOBO KK (TOYM)   KITAMURA K,  SAKAGUCHI Y;  JP2003217345-A   ;  JP2005085544-A   ;  JP2005139306-A   ;  JP2002512291-W   UNIV STUTTGART LEHRSTUHL & INST CHEM VER (UYST-Non-standard)   KERRES J,  HAERING T,  ULRICH A;  WO2004051776-A1   SANYO ELECTRIC CO LTD (SAOL);  KANEKA CORP (KANF)   SAKAMOTO S,  SANDA H,  NAGANO H,  KUROMATSU H,  NAMURA K;  EP1901379-A1 -- EP1496561-A2   TOKUYAMA CORP (TOKU)   FUKUTA K,  SADASUE K,  ISOMURA T,  SAKATA K;  JP11335473-A   TOKUYAMA SODA KK (TOKU)   HIRAYAMA H,  SAKATA K;  JP2001167775-A   TOSHIBA KK (TOKE)   HAYASE S,  NAKANO Y,  OZU H,  HOBSON R;  JP2005085544-A   ;  WO2004051776-A1   SANYO ELECTRIC CO LTD (SAOL);  KANEKA CORP (KANF)   SAKAMOTO S,  SANDA H,  NAGANO H,  KUROMATSU H,  NAMURA K;  WO2001063683-A2   ;  US7923166-B2 -- JP07246336-A   ;  JP11335473-A   TOKUYAMA SODA KK (TOKU)   HIRAYAMA H,  SAKATA K;  JP2001135328-A   ;  JP2001167775-A   TOSHIBA KK (TOKE)   HAYASE S,  NAKANO Y,  OZU H,  HOBSON R;  JP2002100373-A   WOWTEC JH (WOWT-Non-standard)   KIM D I,  LEE C H,  KIM D C;  JP2002329500-A   ;  US4705636-A   DOW CHEM CO (DOWC)   SMALL H,  MANI I;  US20100173224-A1   ;  US7534515-B2   POLYFUEL INC (POLY-Non-standard)   NAM K,  XU H,  CAO S,  OLMEIJER D,  SERVAITES J,  WANG Y;  JP5004525-B2 -- JP2001236973-A   TOYOTA JIDOSHA KK (TOYT)   TANIGUCHI T,  NAKANO M,  KAWASUMI M,  MORIMOTO Y,  HASEGAWA N;  JP2003022824-A   TOYOBO KK (TOYM)   KITAMURA K,  SAKAGUCHI Y;  JP2003217345-A   ;  JP2006085544-A   ;  US4705636-A   DOW CHEM CO (DOWC)   SMALL H,  MANI I;  WO2004051776-A1   SANYO ELECTRIC CO LTD (SAOL);  KANEKA CORP (KANF)   SAKAMOTO S,  SANDA H,  NAGANO H,  KUROMATSU H,  NAMURA K;  KR1218518-B1 -- JP2001167775-A   TOSHIBA KK (TOKE)   HAYASE S,  NAKANO Y,  OZU H,  HOBSON R