WO200273727-A1 -- WO2000033407-A1   ;  US2003047708-A1 -- US2434110-A   ;  US2725359-A   ;  US4617490-A   PHILIPS GLOEILAMPENFAB NV (PHIG)   FITZPATRIC B J,  HARNACK P M;  US4925603-A   NIPPON OIL KK (NIOC)   NAMBU M N M;  US5015789-A   DEGUSSA AG (DEGS)   ARNTZ D,  WIEGAND N;  US5772912-A   NASA US NAT AERO & SPACE ADMIN (USAS)   HASLIM L A,  LOCKYER R T,  ZUK J;  US2006076533-A1 -- US2434110-A   ;  US2725359-A   ;  US3956154-A   STAUFFER CHEM CO (STAU);  US4332870-A   DURACELL INT INC (MALO)   GRAHAM T O,  PARSON F E;  US4382870-A   NORTHERN PETROCHEM CO (NPET)   ABEL M L,  YATES T P;  US4426309-A   NORTHERN PETROCHEM CO (NPET)   ABEL M L,  YATES T P;  US4617490-A   PHILIPS GLOEILAMPENFAB NV (PHIG)   FITZPATRIC B J,  HARNACK P M;  US4657689-A   TEXACO INC (TEXC)   DARDEN J W;  US4925603-A   NIPPON OIL KK (NIOC)   NAMBU M N M;  US4954279-A   UNION CARBIDE CANADA LTD (UNIC)   MA F,  COMEAU D;  US5015789-A   DEGUSSA AG (DEGS)   ARNTZ D,  WIEGAND N;  US5242621-A   TEXACO CHEM CO (TEXC)   MILLER D L,  BENAC B L,  KNIFTON J F;  US5269956-A   TEXACO CHEM CO (TEXC);  TEXACO DEV CORP (TEXC)   MILLER D L,  LARKIN J M;  US5304691-A   SHELL OIL CO (SHEL)   SLAUGH L H,  ARHANCET J P;  US5366651-A   TEXACO SERVICES EURO LTD (TEXC)   MAES J,  VAN NESTE W A;  US5772912-A   NASA US NAT AERO & SPACE ADMIN (USAS)   HASLIM L A,  LOCKYER R T,  ZUK J;  US6991874-B1   BASF AG (BADI)   MOEHWALD H,  DOETTER G,  BLUM R,  KELLER P,  BAUER S,  BRONSTERT B;  US7452479-B2 -- JP06026979-A   ;  US2434110-A   ;  US2725359-A   ;  US3956154-A   STAUFFER CHEM CO (STAU);  US4382870-A   NORTHERN PETROCHEM CO (NPET)   ABEL M L,  YATES T P;  US4426309-A   NORTHERN PETROCHEM CO (NPET)   ABEL M L,  YATES T P;  US4617490-A   PHILIPS GLOEILAMPENFAB NV (PHIG)   FITZPATRIC B J,  HARNACK P M;  US4657689-A   TEXACO INC (TEXC)   DARDEN J W;  US4925603-A   NIPPON OIL KK (NIOC)   NAMBU M N M;  US4954279-A   UNION CARBIDE CANADA LTD (UNIC)   MA F,  COMEAU D;  US5015789-A   DEGUSSA AG (DEGS)   ARNTZ D,  WIEGAND N;  US5242621-A   TEXACO CHEM CO (TEXC)   MILLER D L,  BENAC B L,  KNIFTON J F;  US5269956-A   TEXACO CHEM CO (TEXC);  TEXACO DEV CORP (TEXC)   MILLER D L,  LARKIN J M;  US5366651-A   TEXACO SERVICES EURO LTD (TEXC)   MAES J,  VAN NESTE W A;  US5772912-A   NASA US NAT AERO & SPACE ADMIN (USAS)   HASLIM L A,  LOCKYER R T,  ZUK J;  WO2000033407-A1