;  WO2008030402-A2 -- US20060027488-A1   ;  US6318468-B1   CONSOL SEVEN ROCKS MINING LTD (CSSE-Non-standard)   ZAKIEWICZ B;  US6982155-B1   KANSAI CHEM ENG CO LTD (KANS-Non-standard)   FUKUDA H,  NODA H;  US6827841-B2   KISER M D (KISE-Individual);  BOYER D C (BOYE-Individual)   KISER M D,  BOYER D C;  US36983-E   PETROLEUM FERMENTATION NV (PETR-Non-standard)   HAYES M E,  HREBENAR K R,  MURPHY P L;  WO2008030402-A3 -- US20060027488-A1   ;  US6318468-B1   CONSOL SEVEN ROCKS MINING LTD (CSSE-Non-standard)   ZAKIEWICZ B;  US6982155-B1   KANSAI CHEM ENG CO LTD (KANS-Non-standard)   FUKUDA H,  NODA H;  US6827841-B2   KISER M D (KISE-Individual);  BOYER D C (BOYE-Individual)   KISER M D,  BOYER D C;  US36983-E   PETROLEUM FERMENTATION NV (PETR-Non-standard)   HAYES M E,  HREBENAR K R,  MURPHY P L;  EP2059578-A2 -- WO1997012947-A1   ;  WO2003055960-A1   BOUDREAU E L (BOUD-Individual)   BOUDREAU E L;  US7824453-B2 -- US4046668-A   MOBIL OIL CORP (MOBI)   FARCASIU M,  WHITEHURST D D;  US4224138-A   KRUYER J (KRUY-Individual)   KRUYER J;  US4347118-A   EXXON RES & ENG CO (ESSO)   FUNK E W,  MAY W G,  PIRKLE J C;  US4846964-A   US DEPT ENERGY (USAT)   SCOTT C D,  STRANDBERG G W;  US5084160-A   ;  US5143598-A   AMOCO CORP (STAD)   GRAHAM R J,  HELSTROM J J,  PECK L B,  STONE R A,  BERNIER E J;  US5295665-A   ;  US5670345-A   ARCTECH INC (ARCT-Non-standard)   WALIA D S,  SRIVASTAVA K C;  US5872289-A   AIR PROD & CHEM INC (AIRP)   WEBB S C,  APPLEBY J B,  WALLER F J;  US20050211434-A1   ;  US20060076274-A1   ;  US6764542-B1   MARATHON ASHLAND PETROLEUM LLC (MAON)   LACKEY K R,  ALCORN J R;  US6768015-B1   STEPAN CO (STEP)   LUXEM F J,  TROY W M;  US6822105-B1   STEPAN CO (STEP)   LUXEM F J,  GALANTE J H,  TROY W M,  BERNHARDT R R;  US6965044-B1   UNIV IOWA STATE RES FOUND INC (IOWA)   HAMMOND E G,  WANG T;  US6827841-B2   KISER M D (KISE-Individual);  BOYER D C (BOYE-Individual)   KISER M D,  BOYER D C;  US7588682-B2   ;  RU2418839-C2 -- RU2005140538-A   ;  US20060027488-A1   ;  US6318468-B1   CONSOL SEVEN ROCKS MINING LTD (CSSE-Non-standard)   ZAKIEWICZ B;  US6982155-B1   KANSAI CHEM ENG CO LTD (KANS-Non-standard)   FUKUDA H,  NODA H;  US6827841-B2   KISER M D (KISE-Individual);  BOYER D C (BOYE-Individual)   KISER M D,  BOYER D C;  US36983-E   PETROLEUM FERMENTATION NV (PETR-Non-standard)   HAYES M E,  HREBENAR K R,  MURPHY P L