WO9214683-A1 -- US4422917-A   IMI MARSTON LTD (MASC)   HAYFIELD P C S;  US4931213-A   CASS R B (CASS-Individual)   CASS R B;  US4971666-A   EBONEX TECH INC (EBON-Non-standard);  WEINBERG N L (WEIN-Individual);  ATRAVERDA LTD (ATRA-Non-standard)   WEINBERG N L,  GENDER J D,  CLARKE R L;  US5173215-A -- GB1438462-A   HOECHST AG (FARH);  JP01290529-A   ;  JP03206314-A   ;  JP03206315-A   ;  JP61106414-A   ;  US4422917-A   IMI MARSTON LTD (MASC)   HAYFIELD P C S;  US4668501-A   MITSUBISHI KINZOKU KK (MITV)   SHIBUTA D,  KOBAYASHI S,  YOSHIZUMI M,  ARAI H;  US4931213-A   CASS R B (CASS-Individual)   CASS R B;  US4971666-A   EBONEX TECH INC (EBON-Non-standard);  WEINBERG N L (WEIN-Individual);  ATRAVERDA LTD (ATRA-Non-standard)   WEINBERG N L,  GENDER J D,  CLARKE R L;  EP572559-A1 -- EP478152-A   IMPERIAL CHEM IND PLC (ICIL);  ATRAVERDA LTD (ATRA-Non-standard)   KENDALL K,  PETTS R W;  US5281496-A -- GB1438462-A   HOECHST AG (FARH);  JP01290529-A   ;  JP61106414-A   ;  JP63206314-A   SUMITOMO CEMENT CO (SUMD)   TANAKA H,  SAITO K;  JP63206315-A   ;  US3966490-A   ;  US4029566-A   ;  US4146438-A   DIAMOND SHAMROCK TECHNOLOGIES (DIAS)   DENORA V,  SPAZIANTE P M,  NIDOLA A,  DE NORA V;  US4243503-A   ;  US4252629-A   ;  US4422917-A   IMI MARSTON LTD (MASC)   HAYFIELD P C S;  US4668501-A   MITSUBISHI KINZOKU KK (MITV)   SHIBUTA D,  KOBAYASHI S,  YOSHIZUMI M,  ARAI H;  US4931213-A   CASS R B (CASS-Individual)   CASS R B;  US4971666-A   EBONEX TECH INC (EBON-Non-standard);  WEINBERG N L (WEIN-Individual);  ATRAVERDA LTD (ATRA-Non-standard)   WEINBERG N L,  GENDER J D,  CLARKE R L;  US5017446-A   GLOBE UNION INC (GLOB)   REICHMAN B,  STREBE J L;  US5106709-A   GLOBE UNION INC (GLOB)   TEKKANAT B,  KOVACICH A A;  US5126218-A   CLARKE R L (CLAR-Individual)   CLARKE R L;  AU658620-B -- US4422917-A   IMI MARSTON LTD (MASC)   HAYFIELD P C S;  US4931213-A   CASS R B (CASS-Individual)   CASS R B;  US4971666-A   EBONEX TECH INC (EBON-Non-standard);  WEINBERG N L (WEIN-Individual);  ATRAVERDA LTD (ATRA-Non-standard)   WEINBERG N L,  GENDER J D,  CLARKE R L;  EP572559-A4 -- EP478152-A   IMPERIAL CHEM IND PLC (ICIL);  ATRAVERDA LTD (ATRA-Non-standard)   KENDALL K,  PETTS R W;  EP572559-B1 -- EP478152-A   IMPERIAL CHEM IND PLC (ICIL);  ATRAVERDA LTD (ATRA-Non-standard)   KENDALL K,  PETTS R W;  US4422917-A   IMI MARSTON LTD (MASC)   HAYFIELD P C S;  US4931213-A   CASS R B (CASS-Individual)   CASS R B;  US4971666-A   EBONEX TECH INC (EBON-Non-standard);  WEINBERG N L (WEIN-Individual);  ATRAVERDA LTD (ATRA-Non-standard)   WEINBERG N L,  GENDER J D,  CLARKE R L;  JP3955620-B2 -- JP02197590-A   ;  JP05193943-A   ;  JP57079189-A   IMI MARSTON LTD (MASC)   HAYFIELD P C S;  JP02501920-W