WO2005103337-A1 -- JP09206597-A   ;  JP57023083-A   JOHNSON MATTHEY CO LTD (JOHO);  JOHNS-MANVILLE CORP (JOHM)   CAMERON D S,  COOPER S J;  JP60017085-A   ;  EP1739208-A1 -- DE10007448-A1   PERMELEC ELECTRODE LTD (PERE)   NARA M,  TANAKA M,  NISHIKI Y,  NAKAMATSU S;  GB2185347-A   NIPPON ENGELHARD KK (ENGH)   ITO T,  MATSUZAWA S,  KATO K;  CN1938453-B -- CN1265432-A   PERMELEC ELECTRODE LTD (PERE)   NARA M,  TANAKA M,  NISHIKI Y,  NAKAMATSU S;  JP09206597-A   ;  US4794054-A   NIPPON ENGELHARD KK (ENGH)   ITO T,  MATSUZAWA S,  KATO K;  JP4882218-B2 -- JP57023083-A   JOHNSON MATTHEY CO LTD (JOHO);  JOHNS-MANVILLE CORP (JOHM)   CAMERON D S,  COOPER S J;  JP59025985-A   ;  US8343329-B2 -- DE10007448-A1   PERMELEC ELECTRODE LTD (PERE)   NARA M,  TANAKA M,  NISHIKI Y,  NAKAMATSU S;  GB2185347-A   NIPPON ENGELHARD KK (ENGH)   ITO T,  MATSUZAWA S,  KATO K;  JP09206597-A   ;  JP54110984-A   ;  JP57023083-A   JOHNSON MATTHEY CO LTD (JOHO);  JOHNS-MANVILLE CORP (JOHM)   CAMERON D S,  COOPER S J;  JP59025985-A   ;  JP59232284-A   DOW CHEM CO (DOWC)   BEAVER R N,  ALEXANDER L E,  BYRD C E;  JP60017085-A   ;  JP60056082-A   ;  JP60059090-A   ;  JP63072897-A   ;  JP64008288-A   ;  JP2000239882-A   PERMELEC ELECTRODE LTD (PERE)   NARA M,  TANAKA M,  NISHIKI Y,  NAKAMATSU S;  JP40009130-B1   ;  JP3319370-B2   TOSOH CORP (TOYJ)   SUETSUGU K,  SAKAKI T,  YAMAGUCHI K,  YOSHIMITSU K;  JP3358465-B2   TOSOH CORP (TOYJ)   HORIKOSHI H,  SUETSUGU K,  SAKAKI T,  YOSHIMITSU K;  US4238311-A   ;  US4294628-A   ;  US4414071-A   JOHNSON MATTHEY CO LTD (JOHO);  JOHNS-MANVILLE CORP (JOHM)   CAMERON D S,  COOPER S J;  US4465580-A   CHLORINE ENGINEERS CORP LTD (CHLR);  US4572770-A   DOW CHEM CO (DOWC)   BEAVER R N,  ALEXANDER L E,  BYRD C E;  US4584085-A   DOW CHEM CO (DOWC)   BEAVER R N,  ALEXANDER L E,  BYRD C E;  US4760041-A   DOW CHEM CO (DOWC)   BEAVER R N,  ALEXANDER L E,  BYRD C E;  US4784730-A   ;  US4794054-A   NIPPON ENGELHARD KK (ENGH)   ITO T,  MATSUZAWA S,  KATO K;  US4802962-A   ;  US5944966-A   TOSOH CORP (TOYJ)   SUETSUGU K,  SAKAKI T,  YAMAGUCHI K,  YOSHIMITSU K;  US5948223-A   TOSOH CORP (TOYJ)   HORIKOSHI H,  SUETSUGU K,  SAKAKI T,  YOSHIMITSU K;  US20040151896-A1   ;  US20060260955-A1   ;  US20070010396-A1   ;  US6312571-B1   PERMELEC ELECTRODE LTD (PERE)   NARA M,  TANAKA M,  NISHIKI Y,  NAKAMATSU S;  US6326098-B1   NE CHEMCAT CORP (NECH-Non-standard)   ITOH T,  SATO J;  US7311946-B2   AIR PROD & CHEM INC (AIRP)   GARG D,  CHENG H,  NORMAN J A T,  ORDEJON P;  US7485390-B2