;  WO200074827-A2 -- EP302494-A   KAO CORP (KAOS)   TAKAHASHI H,  TSUJII K;  EP574791-A2   HOECHST AG (FARH)   HELMER-METZMANN F,  OSAN F,  SCHNELLER A,  RITTER H,  LEDJEFF K,  NOLTE R,  THORWIRTH R;  US5658460-A   DOW CHEM CO (DOWC)   BATZEL D A,  STOCKER T F,  CADOTTE J E;  US2002094466-A1 -- US6042958-A   JOHNSON MATTHEY PLC (JOHO)   DENTON J,  GASCOYNE J M,  HARDS G A,  RALPH T R;  US20030032739-A1   ;  US6264857-B1   HOECHST AG (FARH)   KREUER K,  FUCHS A,  MAIER J,  FRANK G,  SOCZKA-GUTH T,  CLAUSS J;  US6300381-B1   UNIV STUTTGART LEHRSTUHL & INST CHEM VER (UYST-Non-standard)   KERRES J,  CUI W;  US6403721-B1   SOLVAY ENGINEERED POLYMERS (SOLV)   DING R,  SRINIVASAN S,  LAU E;  US6610770-B1   RHEOX INC (RHEO-Non-standard)   ROSS M,  KAIZERMAN J;  US7049020-B2 -- EP574791-A2   HOECHST AG (FARH)   HELMER-METZMANN F,  OSAN F,  SCHNELLER A,  RITTER H,  LEDJEFF K,  NOLTE R,  THORWIRTH R;  US6042958-A   JOHNSON MATTHEY PLC (JOHO)   DENTON J,  GASCOYNE J M,  HARDS G A,  RALPH T R;  US20030032739-A1   ;  US6264857-B1   HOECHST AG (FARH)   KREUER K,  FUCHS A,  MAIER J,  FRANK G,  SOCZKA-GUTH T,  CLAUSS J;  US6300381-B1   UNIV STUTTGART LEHRSTUHL & INST CHEM VER (UYST-Non-standard)   KERRES J,  CUI W;  US6403721-B1   SOLVAY ENGINEERED POLYMERS (SOLV)   DING R,  SRINIVASAN S,  LAU E;  US6610770-B1   RHEOX INC (RHEO-Non-standard)   ROSS M,  KAIZERMAN J;  US2006172084-A1 -- US7049020-B2   UNIV STUTTGART (UYST-Non-standard)   HAERING T,  KERRES J,  ULLRICH A;  EP1177247-B1 -- EP302494-A   KAO CORP (KAOS)   TAKAHASHI H,  TSUJII K;  EP574791-A2   HOECHST AG (FARH)   HELMER-METZMANN F,  OSAN F,  SCHNELLER A,  RITTER H,  LEDJEFF K,  NOLTE R,  THORWIRTH R;  US5658460-A   DOW CHEM CO (DOWC)   BATZEL D A,  STOCKER T F,  CADOTTE J E;  EP1870429-A2 -- GB980185-A   ;  US4973606-A   BASF AG (BADI)   STERZEL H J,  SANNER A;  EP1870429-A3 -- GB980185-A   ;  US4973606-A   BASF AG (BADI)   STERZEL H J,  SANNER A;  KR858131-B1 -- JP01138237-A   ;  JP06093114-A   ;  US5658460-A   DOW CHEM CO (DOWC)   BATZEL D A,  STOCKER T F,  CADOTTE J E;  US7674505-B2 -- US7049020-B2   UNIV STUTTGART (UYST-Non-standard)   HAERING T,  KERRES J,  ULLRICH A;  US2010092833-A1 -- US6264857-B1   HOECHST AG (FARH)   KREUER K,  FUCHS A,  MAIER J,  FRANK G,  SOCZKA-GUTH T,  CLAUSS J;  US7049020-B2   UNIV STUTTGART (UYST-Non-standard)   HAERING T,  KERRES J,  ULLRICH A;  US8110517-B2 -- US6264857-B1   HOECHST AG (FARH)   KREUER K,  FUCHS A,  MAIER J,  FRANK G,  SOCZKA-GUTH T,  CLAUSS J;  US7049020-B2   UNIV STUTTGART (UYST-Non-standard)   HAERING T,  KERRES J,  ULLRICH A;  US2012248031-A1 -- US6042958-A   JOHNSON MATTHEY PLC (JOHO)   DENTON J,  GASCOYNE J M,  HARDS G A,  RALPH T R;  US20020192155-A1   ;  US6264857-B1   HOECHST AG (FARH)   KREUER K,  FUCHS A,  MAIER J,  FRANK G,  SOCZKA-GUTH T,  CLAUSS J;  US6492431-B1   LYNNTECH INC (LYNN-Non-standard)   CISAR A J;  US6610770-B1   RHEOX INC (RHEO-Non-standard)   ROSS M,  KAIZERMAN J;  US7049020-B2   UNIV STUTTGART (UYST-Non-standard)   HAERING T,  KERRES J,  ULLRICH A;  US8110517-B2   UNIV STUTTGART (UYST-Non-standard)   HAERING T,  KERRES J,  ULLRICH A