Organic compounds -- part of the class 532-570 series – Organic compounds – Carboxylic acids and salts thereof
Reexamination Certificate
2008-03-11
2008-03-11
Oh, Taylor Victor (Department: 1625)
Organic compounds -- part of the class 532-570 series
Organic compounds
Carboxylic acids and salts thereof
C562S417000, C562S421000, C562S486000
Reexamination Certificate
active
11254406
ABSTRACT:
The present invention relates to a process for oxidizing a slurry composition in a post oxidation zone in the presence of added steam. More specifically, the present invention relates to a process for oxidizing a crude terephthalic acid composition in a post oxidation zone in the presence of added steam in a process for the production of a crystallized post oxidation composition.
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De Boer Martin
de Vreede Marcel
Lin Robert
Sluijmers Johannes Wilhelmus
Woodruff Thomas Earl
Eastman Chemical Company
Graves, Jr. Bernard J.
Oh Taylor Victor
Owen Steven A.
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