Description  Claims  Drawing  Cited references 

US3702292A   [0003] 
US20050101814A1   [0010]  [0010]  [0010] 
US3256176A   [0033] 
US4789457A   [0033] 
US7513988B   [0033] 
US7067448B   [0033] 
US20050101814A   [0033] 
EP2243814A1   [0038] 

Oil Refining   [0022] 
Ullmann's Encyclopedia of Industrial Chemistry and Speight   [0022] 
Petroleum Refinery Processes   [0022]