Liquid purification or separation – Processes – Liquid/liquid solvent or colloidal extraction or diffusing...
Reexamination Certificate
2007-10-30
2007-10-30
Drodge, Joseph (Department: 1723)
Liquid purification or separation
Processes
Liquid/liquid solvent or colloidal extraction or diffusing...
C423S605000, C556S043000, C556S046000, C585S800000
Reexamination Certificate
active
10800784
ABSTRACT:
During the process of synthesis of methylcyclopentadienyl manganese tricarbonyl (MMT), a key raw material methylcyclopentadiene (MCP) is used. The MCP component may be recycled for subsequent reaction processes. The recycle stream of MCP is washed with water and, optionally, passed over a molecular sieve bed to remove the contaminants protic side products from the MCP recycled stream.
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Kadkhodayan Abbas
Marchand David M.
Afton Chemical Corporation
Drodge Joseph
Thomas, PC John H.
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