FR2796078-A1 -- EP733609-A1   INST FRANCAIS DU PETROLE (INSF)   BUSSON C,  ALAGY J,  BROUTIN P,  CHEVRON F;  EP806467-A1   INST FRANCAIS DU PETROLE (INSF);  GAZ DE FRANCE (GAZD)   BUSSON C,  MARACHE P,  BURZYNSKI J,  DUBOIS C;  JP09235564-A   ;  US4287377-A   IMPERIAL CHEM IND LTD (ICIL)   MASLIN R,  LINNHOFF B;  US4912282-A   LINDE AG (LINM)   LINDE A,  MIKULLA K;  WO1992011931-A1   ;  WO200104236-A1 -- EP733609-A1   INST FRANCAIS DU PETROLE (INSF)   BUSSON C,  ALAGY J,  BROUTIN P,  CHEVRON F;  EP806467-A1   INST FRANCAIS DU PETROLE (INSF);  GAZ DE FRANCE (GAZD)   BUSSON C,  MARACHE P,  BURZYNSKI J,  DUBOIS C;  JP09235564-A   ;  US4287377-A   IMPERIAL CHEM IND LTD (ICIL)   MASLIN R,  LINNHOFF B;  US4912282-A   LINDE AG (LINM)   LINDE A,  MIKULLA K;  WO1992011931-A1   ;  EP1192236-B1 -- EP733609-A1   INST FRANCAIS DU PETROLE (INSF)   BUSSON C,  ALAGY J,  BROUTIN P,  CHEVRON F;  EP806467-A1   INST FRANCAIS DU PETROLE (INSF);  GAZ DE FRANCE (GAZD)   BUSSON C,  MARACHE P,  BURZYNSKI J,  DUBOIS C;  JP9235564-B   JGC CORP (JAGA)   MATSUMURA K,  HORIE A,  HARADA H,  TERAUCHI Y,  HANAOKA M,  MITSUKI H,  SATO K,  MISHIMA Y;  US4287377-A   IMPERIAL CHEM IND LTD (ICIL)   MASLIN R,  LINNHOFF B;  US4912282-A   LINDE AG (LINM)   LINDE A,  MIKULLA K;  WO1992011931-A1   ;  US7288690-B2 -- EP252355-A   ;  EP252356-A   NAPHTACHIMIE SA (NAPH)   MARTENS A,  BELLET S;  EP733609-A1   INST FRANCAIS DU PETROLE (INSF)   BUSSON C,  ALAGY J,  BROUTIN P,  CHEVRON F;  EP806467-A1   INST FRANCAIS DU PETROLE (INSF);  GAZ DE FRANCE (GAZD)   BUSSON C,  MARACHE P,  BURZYNSKI J,  DUBOIS C;  JP09235564-A   ;  US3765167-A   METALLGESELLSCHAFT AG (METG);  US3819740-A   KUREHA KAGAKU KOGYO KK (KURE);  US3862898-A   PULLMAN INC (PULL);  US4287377-A   IMPERIAL CHEM IND LTD (ICIL)   MASLIN R,  LINNHOFF B;  US4479355-A   EXXON RES & ENG CO (ESSO)   GUIDE J J,  CAREY J E,  ELCHAMER P D,  CLAYPOLE G,  YENETCHI G V;  US4762958-A   NAPHTACHIMIE SA (NAPH)   MARTENS A,  BELLET S;  US4777318-A   ;  US4912282-A   LINDE AG (LINM)   LINDE A,  MIKULLA K;  US6734331-B2   EGT DEV LLC (EGTE-Non-standard)   ENNIS B P,  CIRRITO A;  US6958363-B2   CONOCOPHILLIPS CO (CONO)   ESPINOZA R L,  MOHEDAS S R,  GOODWIN R T,  LANDIS S R,  BELT B A;  WO1992011931-A1   ;  JP4585729-B2 -- JP09235564-A   ;  JP59199792-A   LINDE AG (LINM)   LINDE A,  MIKULLA K;  JP62148591-A   KELLOGG CO M W (PULL);  KELLOG CO (KELL)   WELLS T A,  PETTERSON W C