WO200243937-A2 -- DE3518569-A   HOHENLOHER SPULENKOERPER (HOHE-Non-standard)   LEHMANN E;  EP362588-A   GRACE & CO W R (GRAC)   LY A L,  CHU C,  NGUYEN T D;  EP382420-A   MINNESOTA MINING & MFG CO (MINN)   LU S L,  WILLIAMS T R;  EP594007-A1   MILLIPORE CORP (MIFI)   TKACIK G,  BARTLETT A J;  EP1002830-A2   AIR PROD & CHEM INC (AIRP)   O'NEILL M L,  ROBESON L M,  BURGOYNE W F,  LANGSAM M;  EP382420-A3   MINNESOTA MINING & MFG CO (MINN)   LU S L,  WILLIAMS T R;  GB1584589-A   DYNATECH HOLDINGS L (DYNA-Non-standard);  JP07266353-A   ;  US3357052-A   GEN DYNAMICS CORP (GEND);  GULF GENERAL ATOMIC I (GULQ);  US4770777-A   PARKER HANNIFIN CORP (PARH)   STEADLY H,  LACCETTI A J;  US4872888-A   KERNFORSCHUNGSZENT KARLSRUHE (GESL)   EHRFELD W,  HAGMANN P,  MOHR J,  MUNCHMEYER D;  US5256360-A   PANASONIC TECHNOLOGIES INC (MATU)   LI H;  US5281511-A   GERHARDT INT AS (GERH-Non-standard)   GERHARDT J;  US5620790-A   SEITZ FILTER WERKE GMBH & CO (SEIW)   HOLZKI U,  MUELLER H,  RENNER T;  US5660680-A   UNIV CALIFORNIA (REGC)   KELLER C G,  FERRARI M;  US5868976-A   KOCH MEMBRANE SYSTEMS INC (KOCH)   PUGLIA J P,  BROCHU R P;  WO1995030793-A1   ;  WO1999004891-A1   ;  WO1999064580-A1   ;  NL1016779-C2 -- EP1002830-A2   AIR PROD & CHEM INC (AIRP)   O'NEILL M L,  ROBESON L M,  BURGOYNE W F,  LANGSAM M;  EP382420-A3   MINNESOTA MINING & MFG CO (MINN)   LU S L,  WILLIAMS T R;  EP382420-B1   MINNESOTA MINING & MFG CO (MINN)   LU S L,  WILLIAMS T R;  GB1584589-A   DYNATECH HOLDINGS L (DYNA-Non-standard);  JP02073545-A   ;  JP06170187-A   ;  JP07266353-A   ;  US4872888-A   KERNFORSCHUNGSZENT KARLSRUHE (GESL)   EHRFELD W,  HAGMANN P,  MOHR J,  MUNCHMEYER D;  US5256360-A   PANASONIC TECHNOLOGIES INC (MATU)   LI H;  US5281511-A   GERHARDT INT AS (GERH-Non-standard)   GERHARDT J;  US5660680-A   UNIV CALIFORNIA (REGC)   KELLER C G,  FERRARI M;  US5868976-A   KOCH MEMBRANE SYSTEMS INC (KOCH)   PUGLIA J P,  BROCHU R P;  US6119751-A   REFLEXITE CORP (REFL-Non-standard)   NILSEN R B,  BERNARD G,  HANRAHAN M J;  EP1341655-B1 -- DE3518569-A   HOHENLOHER SPULENKOERPER (HOHE-Non-standard)   LEHMANN E;  EP362588-A   GRACE & CO W R (GRAC)   LY A L,  CHU C,  NGUYEN T D;  EP594007-A1   MILLIPORE CORP (MIFI)   TKACIK G,  BARTLETT A J;  EP1002830-A2   AIR PROD & CHEM INC (AIRP)   O'NEILL M L,  ROBESON L M,  BURGOYNE W F,  LANGSAM M;  EP382420-A3   MINNESOTA MINING & MFG CO (MINN)   LU S L,  WILLIAMS T R;  GB1584589-A   DYNATECH HOLDINGS L (DYNA-Non-standard);  US3357052-A   GEN DYNAMICS CORP (GEND);  GULF GENERAL ATOMIC I (GULQ);  US4770777-A   PARKER HANNIFIN CORP (PARH)   STEADLY H,  LACCETTI A J;  US4872888-A   KERNFORSCHUNGSZENT KARLSRUHE (GESL)   EHRFELD W,  HAGMANN P,  MOHR J,  MUNCHMEYER D;  US5256360-A   PANASONIC TECHNOLOGIES INC (MATU)   LI H;  US5281511-A   GERHARDT INT AS (GERH-Non-standard)   GERHARDT J;  US5620790-A   SEITZ FILTER WERKE GMBH & CO (SEIW)   HOLZKI U,  MUELLER H,  RENNER T;  US5660680-A   UNIV CALIFORNIA (REGC)   KELLER C G,  FERRARI M;  US5868976-A   KOCH MEMBRANE SYSTEMS INC (KOCH)   PUGLIA J P,  BROCHU R P;  WO1995030793-A1   ;  WO1999004891-A1   ;  WO1999064580-A1   ;  US7531120-B2 -- DE3518569-A   HOHENLOHER SPULENKOERPER (HOHE-Non-standard)   LEHMANN E;  EP362588-A   GRACE & CO W R (GRAC)   LY A L,  CHU C,  NGUYEN T D;  EP382420-A   MINNESOTA MINING & MFG CO (MINN)   LU S L,  WILLIAMS T R;  EP594007-A1   MILLIPORE CORP (MIFI)   TKACIK G,  BARTLETT A J;  EP1002830-A2   AIR PROD & CHEM INC (AIRP)   O'NEILL M L,  ROBESON L M,  BURGOYNE W F,  LANGSAM M;  GB1584589-A   DYNATECH HOLDINGS L (DYNA-Non-standard);  US3357052-A   GEN DYNAMICS CORP (GEND);  GULF GENERAL ATOMIC I (GULQ);  US4770777-A   PARKER HANNIFIN CORP (PARH)   STEADLY H,  LACCETTI A J;  US4872888-A   KERNFORSCHUNGSZENT KARLSRUHE (GESL)   EHRFELD W,  HAGMANN P,  MOHR J,  MUNCHMEYER D;  US5256360-A   PANASONIC TECHNOLOGIES INC (MATU)   LI H;  US5281511-A   GERHARDT INT AS (GERH-Non-standard)   GERHARDT J;  US5620790-A   SEITZ FILTER WERKE GMBH & CO (SEIW)   HOLZKI U,  MUELLER H,  RENNER T;  US5660680-A   UNIV CALIFORNIA (REGC)   KELLER C G,  FERRARI M;  US5868976-A   KOCH MEMBRANE SYSTEMS INC (KOCH)   PUGLIA J P,  BROCHU R P;  US6071406-A   WHATMAN INC (WHAT-Non-standard)   TSOU D T;  US6132858-A   ;  US6423252-B1   ETHICON INC (ETHI)   CHUN I,  LI Y,  MELICAN M C;  WO1995030793-A1   ;  WO1999004891-A1   ;  WO1999064580-A1   ;  WO200243937-A3 -- DE3518569-A   HOHENLOHER SPULENKOERPER (HOHE-Non-standard)   LEHMANN E;  EP362588-A   GRACE & CO W R (GRAC)   LY A L,  CHU C,  NGUYEN T D;  EP594007-A1   MILLIPORE CORP (MIFI)   TKACIK G,  BARTLETT A J;  EP1002830-A2   AIR PROD & CHEM INC (AIRP)   O'NEILL M L,  ROBESON L M,  BURGOYNE W F,  LANGSAM M;  EP382420-A3   MINNESOTA MINING & MFG CO (MINN)   LU S L,  WILLIAMS T R;  GB1584589-A   DYNATECH HOLDINGS L (DYNA-Non-standard);  JP07266353-A   ;  US3357052-A   GEN DYNAMICS CORP (GEND);  GULF GENERAL ATOMIC I (GULQ);  US4770777-A   PARKER HANNIFIN CORP (PARH)   STEADLY H,  LACCETTI A J;  US4872888-A   KERNFORSCHUNGSZENT KARLSRUHE (GESL)   EHRFELD W,  HAGMANN P,  MOHR J,  MUNCHMEYER D;  US5256360-A   PANASONIC TECHNOLOGIES INC (MATU)   LI H;  US5281511-A   GERHARDT INT AS (GERH-Non-standard)   GERHARDT J;  US5620790-A   SEITZ FILTER WERKE GMBH & CO (SEIW)   HOLZKI U,  MUELLER H,  RENNER T;  US5660680-A   UNIV CALIFORNIA (REGC)   KELLER C G,  FERRARI M;  US5868976-A   KOCH MEMBRANE SYSTEMS INC (KOCH)   PUGLIA J P,  BROCHU R P;  WO1995030793-A1   ;  WO1999004891-A1   ;  WO1999064580-A1