EP122736-A -- DE1421051-A1   IMPERIAL CHEM IND LTD (ICIL);  DE1421051-B   IMPERIAL CHEM IND LTD (ICIL);  GB2093263-A   INST FRANCAIS DU PETROLE (INSF);  GB2093263   INST FRANCAIS DU PETROLE (INSF);  US4233146-A   ALLIED CHEM CORP (ALLC)   ROTHMAYER N Y,  KEUSCH P,  KATTERMANN D E;  US4339324-A   HENES PRODUCTS CORP (HENE-Non-standard)   HAAS R M;  US4425215-A   HENES PRODUCTS CORP (HENE-Non-standard)   HENES R W;  US4589968-A -- BE699284-A   MONSANTO CO (MONS);  FR2462488-A   ASAHI KASEI KOGYO KK (ASAH)   KAWAMURA C,  ISOYA T,  YAMATAKA K;  GB1522440   ALSTHOM SOC GEN CONSTR ELEC (ALST);  GB2051865   NANAO KOGYO CO LTD (NANA-Non-standard)   NAGAI H,  KANNO Y;  JP52002879   MIYASAKA H (MIYA-Individual);  US2007096-A   ;  US3119760-A   ;  US3478042-A   ICI LTD (ICIL);  US3657015-A   STANDARD OIL CO (STAD);  US3717646-A   IMPERIAL CHEM IND LTD (ICIL);  US4031001-A   HOOKER CHEM & PLASTICS CORP (HOOK);  US4124478-A   TSIEN H C (TSIE-Individual)   TSIEN H C,  SHROPSHIRE J A,  VENERO A F;  US4176020-A   ASAHI KASEI KOGYO KK (ASAH)   MISUMI T,  FURUHASHI S,  YOKOHAMA K;  US4196069-A   HOOKER CHEM & PLASTICS CORP (HOOK)   MOSE L,  SCHURIG H,  STRASSER B;  US4210512-A   GENERAL ELECTRIC CO (GENE)   LAWRANCE R J,  RUSSELL J H;  US4269689-A   AS GEOR INORG CHEM (AGIN-Soviet Institute);  AGLADZE R I (AGLA-Individual)   AGLADSE R,  MANUKOV E,  AGLADSE G;  US4274939-A   SVENSKA UTVECKLINGS AB (SVUT-Non-standard);  SWEDISH NAT DEV CO (SWNA-Non-standard);  US4425215-A   HENES PRODUCTS CORP (HENE-Non-standard)   HENES R W;  US4495048-A   JAPAN CARLIT CO LTD (JCAR);  EP122736-B -- DE1421051-B   IMPERIAL CHEM IND LTD (ICIL);  GB2093260   BRITISH NUCLEAR FUELS LTD (BRNR)   KEAY R T,  WILLIAMS J A;  US4233146-A   ALLIED CHEM CORP (ALLC)   ROTHMAYER N Y,  KEUSCH P,  KATTERMANN D E;  US4339324-A   HENES PRODUCTS CORP (HENE-Non-standard)   HAAS R M;  US4425215-A   HENES PRODUCTS CORP (HENE-Non-standard)   HENES R W;  JP96023076-B2 -- JP52002879-A   MIYASAKA H (MIYA-Individual);  JP53007598-A   TOKUYAMA SODA KK (TOKU);  JP53026794-A   TOKUYAMA SODA KK (TOKU)