WO2003022427-A1 -- US3840479-A   J W GEUS (GEUS-Individual);  US4618597-A   EXXON RES & ENG CO (ESSO)   FIATO R A,  SOLED S L;  US4629612-A   VEG-GASINST NV (VEGG-Non-standard);  VEG GASINST NV (VEGI-Non-standard)   VANDERWAL W J J,  GEUS J W;  US2004266614-A1 -- US3661609-A   WHITTAKER CORP (WHIK);  US3840479-A   J W GEUS (GEUS-Individual);  US4113658-A   STAMICARBON NV (STAM);  US4305846-A   IMPERIAL CHEM IND LTD (ICIL)   JENNINGS J R;  US4459370-A   VEG-GASINST NV (VEGG-Non-standard)   VANDERWAL W J,  GEUS J W;  US4598062-A   SUD-CHEMIE AG (SUDC)   SCHNEIDER M,  KOCHLOEFI K,  POHL J,  BOCK O;  US4618597-A   EXXON RES & ENG CO (ESSO)   FIATO R A,  SOLED S L;  US4629512-A   KONDIS T (KOND-Individual)   KONDIS T;  US5432029-A   SHARP KK (SHAF)   MITATE T,  NISHIMURA N,  UMEMOTO A,  OKAMOTO H,  YAMADA K,  YONEDA T;  US5478364-A   SHARP KK (SHAF)   MITATE T,  NISHIMURA N,  UMEMOTO A,  OKAMOTO H,  YAMADA K,  YONEDA T;  US5656566-A   IMPERIAL CHEM IND PLC (ICIL)   WARD A M;  US6500403-B2   IMPERIAL CHEM IND PLC (ICIL)   WARD A M;  EP1423192-B1 -- US3840479-A   J W GEUS (GEUS-Individual);  US4618597-A   EXXON RES & ENG CO (ESSO)   FIATO R A,  SOLED S L;  US4629612-A   VEG-GASINST NV (VEGG-Non-standard);  VEG GASINST NV (VEGI-Non-standard)   VANDERWAL W J J,  GEUS J W;  US7427580-B2 -- US3661609-A   WHITTAKER CORP (WHIK);  US3840479-A   J W GEUS (GEUS-Individual);  US4113658-A   STAMICARBON NV (STAM);  US4305846-A   IMPERIAL CHEM IND LTD (ICIL)   JENNINGS J R;  US4459370-A   VEG-GASINST NV (VEGG-Non-standard)   VANDERWAL W J,  GEUS J W;  US4598062-A   SUD-CHEMIE AG (SUDC)   SCHNEIDER M,  KOCHLOEFI K,  POHL J,  BOCK O;  US4618597-A   EXXON RES & ENG CO (ESSO)   FIATO R A,  SOLED S L;  US4629612-A   VEG-GASINST NV (VEGG-Non-standard);  VEG GASINST NV (VEGI-Non-standard)   VANDERWAL W J J,  GEUS J W;  US5432029-A   SHARP KK (SHAF)   MITATE T,  NISHIMURA N,  UMEMOTO A,  OKAMOTO H,  YAMADA K,  YONEDA T;  US5478364-A   SHARP KK (SHAF)   MITATE T,  NISHIMURA N,  UMEMOTO A,  OKAMOTO H,  YAMADA K,  YONEDA T;  US5656566-A   IMPERIAL CHEM IND PLC (ICIL)   WARD A M;  US6500403-B2   IMPERIAL CHEM IND PLC (ICIL)   WARD A M;  MY130841-A -- US3840479-A   J W GEUS (GEUS-Individual);  US4618597-A   EXXON RES & ENG CO (ESSO)   FIATO R A,  SOLED S L;  US4629612-A   VEG-GASINST NV (VEGG-Non-standard);  VEG GASINST NV (VEGI-Non-standard)   VANDERWAL W J J,  GEUS J W