EP360445-A -- EP192314-A   IMPERIAL CHEM IND PLC (ICIL)   LORD L W,  WILLIAMS D T,  KENDALL K,  BATESON J H;  EP270203-A   CATALYSTS & CHEM INC (CACH);  TOYO CCI KK (TOCC-Non-standard)   ARAI H;  EP279389-A   SUD-CHEMIE AG (SUDC)   BURGFELS G,  KOCHLOEFL K;  EP337730-A   CATALYSTS & CHEM INC (CACH);  TOUYOU CCI KK (TOUY-Non-standard);  TOSHIBA KK (TOKE);  GB997523-A   ;  GB2118857-A   UNITED TECHNOLOGIES CORP (UNAC)   SETZER H J,  LESIEUR R R,  KARAVOLIS S,  WNUCK W G;  US3467506-A   ;  US4183829-A   TDK ELECTRONICS CO LTD (DENK)   ADACHI S,  TAKAYAMA M,  SATO T;  US4711872-A   BABCOCK-HITACHI KK (HITG)   KATO Y,  TEJIMA N,  OTA M,  KONISHI K;  US4988661-A -- EP192314-A   IMPERIAL CHEM IND PLC (ICIL)   LORD L W,  WILLIAMS D T,  KENDALL K,  BATESON J H;  EP270203-A   CATALYSTS & CHEM INC (CACH);  TOYO CCI KK (TOCC-Non-standard)   ARAI H;  EP279389-A   SUD-CHEMIE AG (SUDC)   BURGFELS G,  KOCHLOEFL K;  GB997523-A   ;  GB2118857-A   UNITED TECHNOLOGIES CORP (UNAC)   SETZER H J,  LESIEUR R R,  KARAVOLIS S,  WNUCK W G;  US3340011-A   ;  US3391089-A   ;  US3467506-A   ;  US3839223-A   BASF AG (BADI);  US4183829-A   TDK ELECTRONICS CO LTD (DENK)   ADACHI S,  TAKAYAMA M,  SATO T;  US4711872-A   BABCOCK-HITACHI KK (HITG)   KATO Y,  TEJIMA N,  OTA M,  KONISHI K;  US4788174-A   CATALYSTS & CHEM INC (CACH);  TOYO CCI KK (TOCC-Non-standard)   ARAI H;  EP360445-B1 -- EP192314-A   IMPERIAL CHEM IND PLC (ICIL)   LORD L W,  WILLIAMS D T,  KENDALL K,  BATESON J H;  EP270203-A   CATALYSTS & CHEM INC (CACH);  TOYO CCI KK (TOCC-Non-standard)   ARAI H;  EP279389-A   SUD-CHEMIE AG (SUDC)   BURGFELS G,  KOCHLOEFL K;  EP337730-A   CATALYSTS & CHEM INC (CACH);  TOUYOU CCI KK (TOUY-Non-standard);  TOSHIBA KK (TOKE);  GB997523-A   ;  GB2118857-A   UNITED TECHNOLOGIES CORP (UNAC)   SETZER H J,  LESIEUR R R,  KARAVOLIS S,  WNUCK W G;  US3467506-A   ;  US4183829-A   TDK ELECTRONICS CO LTD (DENK)   ADACHI S,  TAKAYAMA M,  SATO T;  US4711872-A   BABCOCK-HITACHI KK (HITG)   KATO Y,  TEJIMA N,  OTA M,  KONISHI K;  JP2818171-B2 -- JP62153158-A   CATALYSTS & CHEM INC (CACH)   ARAI H,  KITAGAWA J