Shell’s process

Major commercial processes in n-paraffin separation are U.O.P. s Molex process (2-5), B.P. s process (6-8), Exxon s Ensorb process (9, 10), Union Carbide s IsoSiv process (11-13), Texaco s T.S.F. process (14, 15), Shell s process (16), and VEB Leuna Werke s Parex process (17). Except... 

Shell s process-related patents often use the propane bridged l,3-bis-(di-2-anisylphosphmo)propane as the ligand (dapp) [36]. Carilon, Shell s trade name for the terpolymer of ethene, CO and propene - added for lowering the processing temperature of the product - has been in commercial production on a relatively small scale in the late nineties. 

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