EP818841-A -- DE2604085-A   AGENCY OF IND SCI & TECHNOLOGY (AGEN);  DE3210096-A   MAX PLANCK GES FOERDERUNG WISSENSCHAFTEN (PLAC)   RABENAU A,  DIEM H,  KREUER K D;  EP156241-A   SHARP KK (SHAF)   MOHRI M;  EP206969-A   DEPT ENERGY MINES (ENER-Non-standard);  CANADIAN GOVERNMENT (CNDG);  CANADA MIN ENERGY MINES & RESOURCES (MIMC)   AHMAD A,  CANADAY J D,  HANSON A J,  KURIAKOSE A,  WHEAT T;  EP379372-A   MHB JOINT VENTURE (MHBJ-Non-standard)   LEE M T,  FAUTEUX D;  JP4110352-A   SEKISUI CHEM IND CO LTD (SEKI);  JP4218267-A   TOSHIBA KK (TOKE);  JP53123390-A   TOKUYAMA SODA KK (TOKU);  JP60263923-A   ;  JP61132933-A   TOKUYAMA SODA KK (TOKU);  US3266940-A   ;  US5136474-A   GINER INC (GINE-Non-standard)   SARANGAPANI S,  LESSNER P M,  LACONTI A B;  WO9629752-A   DU PONT DE NEMOURS & CO E I (DUPO)   GROT W G,  RAJENDRAN G;  EP818841-A1 -- DE2604085-A   AGENCY OF IND SCI & TECHNOLOGY (AGEN);  DE3210096-A   MAX PLANCK GES FOERDERUNG WISSENSCHAFTEN (PLAC)   RABENAU A,  DIEM H,  KREUER K D;  EP156241-A   SHARP KK (SHAF)   MOHRI M;  EP206969-A   DEPT ENERGY MINES (ENER-Non-standard);  CANADIAN GOVERNMENT (CNDG);  CANADA MIN ENERGY MINES & RESOURCES (MIMC)   AHMAD A,  CANADAY J D,  HANSON A J,  KURIAKOSE A,  WHEAT T;  EP379372-A   MHB JOINT VENTURE (MHBJ-Non-standard)   LEE M T,  FAUTEUX D;  JP4110352-A   SEKISUI CHEM IND CO LTD (SEKI);  JP4218267-A   TOSHIBA KK (TOKE);  JP53123390-A   TOKUYAMA SODA KK (TOKU);  JP60263923-A   ;  JP61132933-A   TOKUYAMA SODA KK (TOKU);  US3266940-A   ;  US5136474-A   GINER INC (GINE-Non-standard)   SARANGAPANI S,  LESSNER P M,  LACONTI A B;  WO9629752-A1   DU PONT DE NEMOURS & CO E I (DUPO)   GROT W G,  RAJENDRAN G;  FR2751119-A1 -- DE2604085-A   AGENCY OF IND SCI & TECHNOLOGY (AGEN);  DE2604085-A1   AGENCY OF IND SCI & TECHNOLOGY (AGEN);  DE2604085-B   AGENCY OF IND SCI & TECHNOLOGY (AGEN);  DE3210096-A   MAX PLANCK GES FOERDERUNG WISSENSCHAFTEN (PLAC)   RABENAU A,  DIEM H,  KREUER K D;  DE3210096-A1   MAX PLANCK GES FOERDERUNG WISSENSCHAFTEN (PLAC)   RABENAU A,  DIEM H,  KREUER K D;  EP156241-A   SHARP KK (SHAF)   MOHRI M;  EP156241-A2   SHARP KK (SHAF)   MOHRI M;  EP156241-B1   SHARP KK (SHAF)   MOHRI M;  EP206969-A   DEPT ENERGY MINES (ENER-Non-standard);  CANADIAN GOVERNMENT (CNDG);  CANADA MIN ENERGY MINES & RESOURCES (MIMC)   AHMAD A,  CANADAY J D,  HANSON A J,  KURIAKOSE A,  WHEAT T;  EP206969-A2   DEPT ENERGY MINES (ENER-Non-standard);  CANADIAN GOVERNMENT (CNDG);  CANADA MIN ENERGY MINES & RESOURCES (MIMC)   AHMAD A,  CANADAY J D,  HANSON A J,  KURIAKOSE A,  WHEAT T;  EP379372-A   MHB JOINT VENTURE (MHBJ-Non-standard)   LEE M T,  FAUTEUX D;  EP379372-A1   MHB JOINT VENTURE (MHBJ-Non-standard)   LEE M T,  FAUTEUX D;  EP379372-B1   MHB JOINT VENTURE (MHBJ-Non-standard)   LEE M T,  FAUTEUX D;  JP4110352-A   SEKISUI CHEM IND CO LTD (SEKI);  JP4218267-A   TOSHIBA KK (TOKE);  JP53123390-A   TOKUYAMA SODA KK (TOKU);  JP60263923-A   ;  JP61132933-A   TOKUYAMA SODA KK (TOKU);  US3266940-A   ;  US5136474-A   GINER INC (GINE-Non-standard)   SARANGAPANI S,  LESSNER P M,  LACONTI A B;  WO9629752-A1   DU PONT DE NEMOURS & CO E I (DUPO)   GROT W G,  RAJENDRAN G;  EP818841-B1 -- DE2604085-A   AGENCY OF IND SCI & TECHNOLOGY (AGEN);  DE3210096-A   MAX PLANCK GES FOERDERUNG WISSENSCHAFTEN (PLAC)   RABENAU A,  DIEM H,  KREUER K D;  EP156241-A   SHARP KK (SHAF)   MOHRI M;  EP206969-A   DEPT ENERGY MINES (ENER-Non-standard);  CANADIAN GOVERNMENT (CNDG);  CANADA MIN ENERGY MINES & RESOURCES (MIMC)   AHMAD A,  CANADAY J D,  HANSON A J,  KURIAKOSE A,  WHEAT T;  EP379372-A   MHB JOINT VENTURE (MHBJ-Non-standard)   LEE M T,  FAUTEUX D;  JP4110352-A   SEKISUI CHEM IND CO LTD (SEKI);  JP4218267-A   TOSHIBA KK (TOKE);  JP53123390-A   TOKUYAMA SODA KK (TOKU);  JP60263923-A   ;  JP61132933-A   TOKUYAMA SODA KK (TOKU);  US3266940-A   ;  US5136474-A   GINER INC (GINE-Non-standard)   SARANGAPANI S,  LESSNER P M,  LACONTI A B;  WO9629752-A   DU PONT DE NEMOURS & CO E I (DUPO)   GROT W G,  RAJENDRAN G