Organic compounds -- part of the class 532-570 series – Organic compounds – Oxygen containing
Reexamination Certificate
2008-12-23
2011-12-06
Witherspoon, Sikarl (Department: 1621)
Organic compounds -- part of the class 532-570 series
Organic compounds
Oxygen containing
C568S868000, C422S236000
Reexamination Certificate
active
08071820
ABSTRACT:
A method and apparatus for converting glycerol into propylene glycol by directing a basic glycerol containing feed and a hydrogen containing gas into a reaction zone including a fixed bed of catalyst that is operating at glycerol conversion conditions where the reactor includes and at least one quench zone and directing a quench material into the quench zone.
REFERENCES:
patent: 2008/0274019 (2008-11-01), Beggin et al.
Bricker Maureen L.
Leonard Laura E.
Piasecki David J
UOP LLC
Witherspoon Sikarl
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