WO2004058630-A2 -- US4176090-A   GRACE & CO W R (GRAC)   VAUGHAN D E W,  LUSSIER R J,  MAGEE J S;  US5856264-A   UOP (UNVO)   CONNOLLY P,  COHEN A P,  DANGIERI T J;  US20020183201-A1   ;  EP1590079-A2 -- EP204700-A   ;  EP1120149-A1   AIR LIQUIDE SA (AIRL)   MONEREAU C,  MOREAU S;  EP1076035-A2   PRAXAIR TECHNOLOGY INC (PRAX)   BAKSH M S A,  ACKLEY M W;  EP204700-B   ;  US7537742-B2 -- EP1097746-A2   ;  US3430418-A   ;  US3564816-A   UNION CARBIDE CORP (UNIC);  US4077779-A   AIR PROD & CHEM INC (AIRP);  US4176090-A   GRACE & CO W R (GRAC)   VAUGHAN D E W,  LUSSIER R J,  MAGEE J S;  US4553981-A   UNION CARBIDE CORP (UNIC)   FUDERER A;  US4859217-A   UNION CARBIDE CORP (UNIC);  UOP (UNVO)   CHAO C C;  US4957514-A   ;  US5152975-A   TEXACO DEV CORP (TEXC)   FONG W C F,  CHAN H C,  SUGGITT R M,  QUINTANA M E;  US5174979-A   UOP (UNVO)   CHAO C C,  SHERMAN J D,  MULLHAUPT J T,  BOLINGER C M;  US5413625-A   PRAXAIR INC (PRAX)   BOLINGER C M,  CHAO C C,  SHERMAN J D,  MULLHAUPT J T;  US5454857-A   ;  US5538706-A   BOC GROUP INC (BRTO)   MACLEAN D L,  KAPOOR A,  KRISHNAMURTHY R;  US5674311-A   PRAXAIR TECHNOLOGY INC (PRAX)   NOTARO F,  MULLHAUPT J T,  LEAVITT F W,  ACKLEY M W E;  US5698013-A   ;  US5856264-A   UOP (UNVO)   CONNOLLY P,  COHEN A P,  DANGIERI T J;  US5912422-A   AIR LIQUIDE SA (AIRL)   BOMARD O,  JUTARD J,  MOREAU S,  VIGOR X;  US6007606-A   PRAXAIR TECHNOLOGY INC (PRAX)   BAKSH M S,  NOTARO F;  US6027548-A   PRAXAIR TECHNOLOGY INC (PRAX)   ACKLEY M W,  STEWART A B,  HENZLER G W,  LEAVITT F W,  NOTARO F,  KANE M S;  US6027549-A   AIR PROD & CHEM INC (AIRP)   FARRIS T S,  GOLDEN T C,  JOHNSON C H,  KRATZ W C,  WALDRON W E;  US6152991-A   PRAXAIR TECHNOLOGY INC (PRAX)   ACKLEY M W;  US20020183201-A1   ;  US6197092-B1   ENGELHARD CORP (ENGH)   BUTWELL K F,  DOLAN W B,  KUZNICKI S M;  US6302943-B1   ;  US6340382-B1   PRAXAIR TECHNOLOGY INC (PRAX)   BAKSH M S A,  ACKLEY M W;  US6402813-B2   AIR LIQUIDE SA (AIRL)   MONEREAU C,  MOREAU S;  US6514317-B2   TOSOH CORP (TOYJ)   HIRANO S,  HARADA A;  WO2004058630-A2   PRAXAIR TECHNOLOGY INC (PRAX)   BAKSH M S A,  ACKLEY M W,  NOTARO F;  CN100581645-C -- CN1156061-A   PRAXAIR TECHNOLOGY INC (PRAX)   NOTARO F,  MULLHAUPT J T,  LEAVITT F W,  ACKLEY M W E;  CN1221643-A   PRAXAIR TECHNOLOGY INC (PRAX)   BAKSH M S,  NOTARO F;  CN1239011-A   PRAXAIR TECHNOLOGY INC (PRAX)   ACKLEY M W,  STEWART A B,  HENZLER G W,  LEAVITT F W,  NOTARO F,  KANE M S;  CN1355131-A   ;  US4176090-A   GRACE & CO W R (GRAC)   VAUGHAN D E W,  LUSSIER R J,  MAGEE J S;  US5174979-A   UOP (UNVO)   CHAO C C,  SHERMAN J D,  MULLHAUPT J T,  BOLINGER C M;  US5856264-A   UOP (UNVO)   CONNOLLY P,  COHEN A P,  DANGIERI T J;  US6027549-A   AIR PROD & CHEM INC (AIRP)   FARRIS T S,  GOLDEN T C,  JOHNSON C H,  KRATZ W C,  WALDRON W E;  US20020183201-A1   ;  US6302943-B1   ;  EP1590079-B1 -- EP204700-A   ;  EP1120149-A1   AIR LIQUIDE SA (AIRL)   MONEREAU C,  MOREAU S;  EP1076035-A2   PRAXAIR TECHNOLOGY INC (PRAX)   BAKSH M S A,  ACKLEY M W;  US4176090-A   GRACE & CO W R (GRAC)   VAUGHAN D E W,  LUSSIER R J,  MAGEE J S;  US5856264-A   UOP (UNVO)   CONNOLLY P,  COHEN A P,  DANGIERI T J;  US20020183201-A1