Organic compounds -- part of the class 532-570 series – Organic compounds – Oxygen containing
Reexamination Certificate
2008-08-22
2011-11-15
Witherspoon, Sikarl (Department: 1621)
Organic compounds -- part of the class 532-570 series
Organic compounds
Oxygen containing
Reexamination Certificate
active
08058484
ABSTRACT:
The present invention relates to a process for converting byproducts of the manufacture of biodiesel into industrially useful oxygenated products of greater commercial value. The process includes a trickle bed reactor in which a glycerol-rich feedstock is reacted with hydrogen in the presence of a nickel-tungsten catalyst under typical refining condition of high temperature and pressure, yielding propane synfuel or propanediols.
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Hall Estill Law Firm
Syntroleum Corporation
Witherspoon Sikarl
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