EP359524-A -- EP260847-A   IMPERIAL CHEM IND PLC (ICIL)   BALLARD D G H,  CHESHIRE P,  PRZEWORSKI J E;  EP269018-A   MITSUBISHI PETROCHEMICAL CO LTD (MITP)   YASUKAWA E,  KIHARA K,  TSUBOI M;  EP279554-A   UK ATOMIC ENERGY AUTHORITY (UKAT);  GOULD INC (GOUN)   NORTH J M;  EP301774-A   UK ATOMIC ENERGY AUTHORITY (UKAT)   KRONFLI E,  HOOPER A,  LOVELL K V,  NEAT R J;  EP269018-B1   MITSUBISHI PETROCHEMICAL CO LTD (MITP)   YASUKAWA E,  KIHARA K,  TSUBOI M;  EP279554-B1   UK ATOMIC ENERGY AUTHORITY (UKAT);  GOULD INC (GOUN)   NORTH J M;  EP301774-B1   UK ATOMIC ENERGY AUTHORITY (UKAT)   KRONFLI E,  HOOPER A,  LOVELL K V,  NEAT R J;  FR2493609-A   ;  FR2556139-A   ;  JP62219469-A   HITACHI MAXELL KK (HITM)   NAGAI T,  KAJITA K,  MANABE T;  JP63094563-A   UBE IND LTD (UBEI)   TAKAHASHI T,  SUEHIRO T,  SHIMIZU R;  US4728588-A   DOW CHEM CO (DOWC)   NODING S A,  SIEGEL S A;  US4792504-A   MHB JOINT VENTURE (MHBJ-Non-standard);  DEVERS M S CO (DEVE-Non-standard)   SCHWAB G,  LEE M T;  US5217827-A -- EP145498-A   RAYCHEM LTD (RAYC);  SCIMAT LTD (SCIM-Non-standard)   COOK J A,  PARK G B,  MCLOUGHLIN R H,  WHITCHER W J;  EP260847-A   IMPERIAL CHEM IND PLC (ICIL)   BALLARD D G H,  CHESHIRE P,  PRZEWORSKI J E;  EP269018-A   MITSUBISHI PETROCHEMICAL CO LTD (MITP)   YASUKAWA E,  KIHARA K,  TSUBOI M;  EP279554-A   UK ATOMIC ENERGY AUTHORITY (UKAT);  GOULD INC (GOUN)   NORTH J M;  EP301774-A   UK ATOMIC ENERGY AUTHORITY (UKAT)   KRONFLI E,  HOOPER A,  LOVELL K V,  NEAT R J;  FR2493609-A   ;  FR2556139-A   ;  JP63009463-A   ;  US4303748-A   ANVAR AGENCE NAT VALORISATION (ANVR)   ARMAND M,  DUCLOT M;  US4357401-A   ETAT FRANCAIS (ETFR)   ANDRE J D,  KILLIS A,  LENEST J F,  CHERADAME H M;  US4654279-A   US SEC OF NAVY (USNA)   BAUER B J,  CHIANG C K,  DAVIS G T;  US4728588-A   DOW CHEM CO (DOWC)   NODING S A,  SIEGEL S A;  US4792504-A   MHB JOINT VENTURE (MHBJ-Non-standard);  DEVERS M S CO (DEVE-Non-standard)   SCHWAB G,  LEE M T;  US4822701-A   IMPERIAL CHEM IND PLC (ICIL)   BALLARD D G H,  CHESHIRE P,  PRZEWORSKI J E;  US4908283-A   UBE IND LTD (UBEI)   ASHITAKA H,  TAKAHASHI T,  SHIMIZU R;  EP359524-B1 -- EP260847-A   IMPERIAL CHEM IND PLC (ICIL)   BALLARD D G H,  CHESHIRE P,  PRZEWORSKI J E;  EP269018-A   MITSUBISHI PETROCHEMICAL CO LTD (MITP)   YASUKAWA E,  KIHARA K,  TSUBOI M;  EP279554-A   UK ATOMIC ENERGY AUTHORITY (UKAT);  GOULD INC (GOUN)   NORTH J M;  EP301774-A   UK ATOMIC ENERGY AUTHORITY (UKAT)   KRONFLI E,  HOOPER A,  LOVELL K V,  NEAT R J;  FR2493609-A   ;  FR2556139-A   ;  JP63094563-A   UBE IND LTD (UBEI)   TAKAHASHI T,  SUEHIRO T,  SHIMIZU R;  US4728588-A   DOW CHEM CO (DOWC)   NODING S A,  SIEGEL S A;  US4792504-A   MHB JOINT VENTURE (MHBJ-Non-standard);  DEVERS M S CO (DEVE-Non-standard)   SCHWAB G,  LEE M T;  JP2735311-B2 -- JP57137359-A   ;  JP57137360-A   ;  JP57143355-A   ;  JP63193954-A