Chemical apparatus and process disinfecting – deodorizing – preser – Chemical reactor – Including internal mixing or stirring means
Reexamination Certificate
2007-08-29
2009-02-17
Griffin, Walter D (Department: 1797)
Chemical apparatus and process disinfecting, deodorizing, preser
Chemical reactor
Including internal mixing or stirring means
C422S131000, C422S186220, C422S186220, C562S413000, C562S414000, C562S415000, C562S416000, C502S020000, C502S021000, C502S022000, C502S023000, C502S030000, C502S034000
Reexamination Certificate
active
07491369
ABSTRACT:
Disclosed is an optimized process and apparatus for more efficiently and economically carrying out the liquid-phase oxidation of an oxidizable compound. Such liquid-phase oxidation is carried out in a bubble column reactor that provides for a highly efficient reaction at relatively low temperatures. When the oxidized compound is para-xylene and the product from the oxidation reaction is crude terephthalic acid (CTA), such CTA product can be purified and separated by more economical techniques than could be employed if the CTA were formed by a conventional high-temperature oxidation process.
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Sheppard Ronald Buford
Strasser Wayne Scott
Wonders Alan George
Woodruff Thomas Earl
Eastman Chemical Company
Graves, Jr. Bernard J.
Griffin Walter D
Nguyen Huy-Tram
Owen Steven A.
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