WO2006138611-A2 -- US20060234098-A1   ;  US2009071841-A1 -- US3562135-A   SWISS ALUMINIUM LTD (SWAL);  US6162334-A   ALCOA INC (ALUM)   LIU X,  RAY S P;  US20060234098-A1   ;  US20080107948-A1   ;  US2013026032-A1 -- US4608137-A   CHEVRON RES CO (CALI)   VAUGHAN R J,  BY BANK OF AMERICA NT&SA;  US20020058175-A1   ;  US20080107948-A1   ;  US8758949-B2 -- FR1533262-A   ;  US3562135-A   SWISS ALUMINIUM LTD (SWAL);  US4108743-A   FORD WERKE AG (FORD)   MINCK R W;  US4608137-A   CHEVRON RES CO (CALI)   VAUGHAN R J,  BY BANK OF AMERICA NT&SA;  US4804448-A   ELTRON RESEARCH INC (ELTR-Non-standard)   SAMMELLS A F,  SEMKOW K W;  US4808448-A   ROBOSERVE LTD (ROBO-Non-standard);  CITY LINK GROUP LTD (CITY-Non-standard)   COX H S;  US4865925-A   HUGHES AIRCRAFT CO (HUGA)   LUDWIG F A,  TOWNSEND C W;  US4908113-A   INST GAS TECHNOLOGY (IGTE)   MARIANOWSKI L G,  REMICK R J;  US5089094-A   OSAKA TITANIUM CO LTD (OSAN)   OGASAWARA T,  NATSUME Y,  FUJITA K;  US5273628-A   GAS RES INST (GASR-Non-standard)   LIU M,  JOSHI A V,  SHEN Y,  KRIST K;  US5306411-A   STANDARD OIL CO OHIO (STAH)   CABLE T L,  FRYE J G,  KLIEWER W R,  MAZANEC T J;  US5312525-A   MASSACHUSETTS INST TECHNOLOGY (MASI)   CHOU K,  PAL U B;  US5380467-A   WESTINGHOUSE ELECTRIC CORP (WESE)   FEDUSKA W,  LIN C,  KUNKLE R P;  US5447555-A   AIR PROD & CHEM INC (AIRP)   YEE T F,  SRINIVASAN R S,  THOROGOOD R M;  US5509362-A   ENERGY & ENVIRONMENTAL RES CORP (ENER-Non-standard)   LYON R K;  US5567286-A   MASSACHUSETTS INST TECHNOLOGY (MASI)   HASHAM Z,  YUAN S,  CHOU K,  PAL U B;  US5962122-A   HOECHST CELANESE CORP (FARH)   WALPITA L M,  PLEBAN W M,  ECKHARDT H;  US5976345-A   UNIV BOSTON (UYBO-Non-standard)   UDAY P,  BRITTEN S C;  US6146549-A   ELTRON RES INC (ELTR-Non-standard)   MACKAY R,  SAMMELLS A F;  US6162334-A   ALCOA INC (ALUM)   LIU X,  RAY S P;  US6165553-A   PRAXAIR TECHNOLOGY INC (PRAX)   CHEN C,  RASAD R;  US20020058175-A1   ;  US20030037488-A1   ;  US20040091609-A1   ;  US20040101729-A1   ;  US20060234098-A1   ;  US20070111048-A1   ;  US20080107948-A1   ;  US6471921-B1   ELTRON RES INC (ELTR-Non-standard)   VAN CALCAR P,  MACKAY R,  SAMMELLS A F;  US6541159-B1   REVEO INC (REVO)   LI L,  YAO W,  CHEN M;  US6296687-B2   CANADA MIN NATURAL RESOURCES (CNDG)   WACHSMAN E D,  JIANG N;  US6641626-B2   ELTRON RES INC (ELTR-Non-standard)   VAN CALCAR P,  MACKAY R,  SAMMELLS A F;  US6677070-B2   KEARL D A (KEAR-Individual)   KEARL D A;  US6869722-B2   KEARL D A (KEAR-Individual)   KEARL D A;  US6896992-B2   KEARL D A (KEAR-Individual)   KEARL D A;  WO2003089117-A1   UNIV BOSTON (UYBO-Non-standard)   GOPALAN S;  WO2004033760-A2   BHP BILLITON INNOVATION PTY LTD (BRHI)   STRESOV L,  RATCHEV I,  OSBORN S;  WO2006138611-A3   UNIV BOSTON (UYBO-Non-standard)   PAL U B,  GOPALAN S