WO200231841-A2 -- EP187163-A   MATSUSHITA ELEC IND CO LTD (MATU);  NISHINO A (NISH-Individual)   TANAHASHI I,  NISHINO A,  YOSHIDA A;  EP304825-A   MITSUBISHI RAYON CO LTD (MITR)   YOSHIDA M,  KUNIMOTO M,  IWASHE T,  NAKAMURA Y;  EP330179-A   PETOCA LTD (PETO-Non-standard)   TAMURA T,  TAKAMATSU A;  EP791974-A1   JOHNSON MATTHEY PLC (JOHO)   DENTON J,  GASCOYNE J M,  POTTER R J;  US3367851-A   ;  US3960601-A   UNION CARBIDE CORP (UNIC)   SCHULZ D A;  US4505797-A   IONICS INC (IONI)   HODGON R B,  WAITE W A;  US5649982-A   ALCAN INT LTD (ALCN)   HALLIOP W;  US5853429-A   SGL TECHNIK GMBH (SIGE)   HEINE M,  KOMPALIK D;  WO2000047816-A1   ;  WO2001004980-A1   ;  DE10050512-A1 -- EP651452-A1   OSAKA GAS CO LTD (OSAG);  UNITIKA LTD (NIRA)   TAJIRI H,  NAKAGAWA Y,  IWAYA Y,  ASAMI K,  TANAKA Y,  TOUMA K,  OKUMURA S;  JP06123050-A   ;  JP10077624-A   ;  JP10077625-A   ;  US2003109189-A1 -- US5334446-A   FIBERWEB NORTH AMERICA INC (FIBE-Non-standard)   QUANTRILLE T E,  AUSTIN J A,  ZIMMERMAN G S;  US5863673-A   BALLARD POWER SYSTEMS INC (BLRD)   CAMPBELL S A,  STUMPER J,  WILKINSON D P,  DAVIS M T;  US6416896-B1   DAIKIN IND LTD (DAIK)   TAMARU S,  YAMAMOTO K,  ASANO J;  JP3774439-B2 -- JP07326384-A   ;  JP09326256-A   ;  JP52066773-A   ;  JP2000170069-A   ;  WO2000047816-A1   ;  EP1328947-B1 -- EP187163-A   MATSUSHITA ELEC IND CO LTD (MATU);  NISHINO A (NISH-Individual)   TANAHASHI I,  NISHINO A,  YOSHIDA A;  EP304825-A   MITSUBISHI RAYON CO LTD (MITR)   YOSHIDA M,  KUNIMOTO M,  IWASHE T,  NAKAMURA Y;  EP330179-A   PETOCA LTD (PETO-Non-standard)   TAMURA T,  TAKAMATSU A;  EP791974-A1   JOHNSON MATTHEY PLC (JOHO)   DENTON J,  GASCOYNE J M,  POTTER R J;  US3367851-A   ;  US3960601-A   UNION CARBIDE CORP (UNIC)   SCHULZ D A;  US4505797-A   IONICS INC (IONI)   HODGON R B,  WAITE W A;  US5649982-A   ALCAN INT LTD (ALCN)   HALLIOP W;  US5853429-A   SGL TECHNIK GMBH (SIGE)   HEINE M,  KOMPALIK D;  WO2000047816-A1   ;  WO2001004980-A1   ;  US2008075940-A1 -- US3367851-A   ;  US3960601-A   UNION CARBIDE CORP (UNIC)   SCHULZ D A;  US4505797-A   IONICS INC (IONI)   HODGON R B,  WAITE W A;  US5334446-A   FIBERWEB NORTH AMERICA INC (FIBE-Non-standard)   QUANTRILLE T E,  AUSTIN J A,  ZIMMERMAN G S;  US5649982-A   ALCAN INT LTD (ALCN)   HALLIOP W;  US5853429-A   SGL TECHNIK GMBH (SIGE)   HEINE M,  KOMPALIK D;  US6416896-B1   DAIKIN IND LTD (DAIK)   TAMARU S,  YAMAMOTO K,  ASANO J;  US7815887-B2 -- EP187163-A   MATSUSHITA ELEC IND CO LTD (MATU);  NISHINO A (NISH-Individual)   TANAHASHI I,  NISHINO A,  YOSHIDA A;  EP304825-A   MITSUBISHI RAYON CO LTD (MITR)   YOSHIDA M,  KUNIMOTO M,  IWASHE T,  NAKAMURA Y;  EP330179-A   PETOCA LTD (PETO-Non-standard)   TAMURA T,  TAKAMATSU A;  EP651452-A1   OSAKA GAS CO LTD (OSAG);  UNITIKA LTD (NIRA)   TAJIRI H,  NAKAGAWA Y,  IWAYA Y,  ASAMI K,  TANAKA Y,  TOUMA K,  OKUMURA S;  EP791974-A1   JOHNSON MATTHEY PLC (JOHO)   DENTON J,  GASCOYNE J M,  POTTER R J;  JP05266773-A   ;  JP06123050-A   ;  JP06477624-A   ;  JP06477625-A   ;  JP07326384-A   ;  JP09326256-A   ;  JP2000170069-A   ;  JP2002536565-W   JOHNSON MATTHEY PLC (JOHO)   BROWN K L,  GASCOYNE J M,  RALPH T R;  US3367851-A   ;  US3960601-A   UNION CARBIDE CORP (UNIC)   SCHULZ D A;  US4505797-A   IONICS INC (IONI)   HODGON R B,  WAITE W A;  US5334446-A   FIBERWEB NORTH AMERICA INC (FIBE-Non-standard)   QUANTRILLE T E,  AUSTIN J A,  ZIMMERMAN G S;  US5649982-A   ALCAN INT LTD (ALCN)   HALLIOP W;  US5853429-A   SGL TECHNIK GMBH (SIGE)   HEINE M,  KOMPALIK D;  US6416896-B1   DAIKIN IND LTD (DAIK)   TAMARU S,  YAMAMOTO K,  ASANO J;  WO2000047816-A1   ;  WO2001004980-A1   ;  WO200231841-A3 -- EP187163-A   MATSUSHITA ELEC IND CO LTD (MATU);  NISHINO A (NISH-Individual)   TANAHASHI I,  NISHINO A,  YOSHIDA A;  EP304825-A   MITSUBISHI RAYON CO LTD (MITR)   YOSHIDA M,  KUNIMOTO M,  IWASHE T,  NAKAMURA Y;  EP330179-A   PETOCA LTD (PETO-Non-standard)   TAMURA T,  TAKAMATSU A;  EP791974-A1   JOHNSON MATTHEY PLC (JOHO)   DENTON J,  GASCOYNE J M,  POTTER R J;  US3367851-A   ;  US3960601-A   UNION CARBIDE CORP (UNIC)   SCHULZ D A;  US4505797-A   IONICS INC (IONI)   HODGON R B,  WAITE W A;  US5649982-A   ALCAN INT LTD (ALCN)   HALLIOP W;  US5853429-A   SGL TECHNIK GMBH (SIGE)   HEINE M,  KOMPALIK D;  WO2000047816-A1   ;  WO2001004980-A1