Organic compounds -- part of the class 532-570 series – Organic compounds – Carboxylic acids and salts thereof
Reexamination Certificate
2008-07-22
2008-07-22
Eyler, Yvonne (Department: 1621)
Organic compounds -- part of the class 532-570 series
Organic compounds
Carboxylic acids and salts thereof
C562S494000
Reexamination Certificate
active
07402694
ABSTRACT:
A process is disclosed that relates to the removal of impurities, specifically benzoic acid, from a mother liquor produced in the synthesis of carboxylic acid, typically terephthalic acid.
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Gibson Philip Edward
Lin Robert
Parker Kenny Randolph
Eastman Chemical Company
Eyler Yvonne
Graves, Jr. Bernard J.
Katakam Sudhakar
Owen Steven A.
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