Enriched terephthalic acid composition

Details Enriched terephthalic acid composition Enriched terephthalic acid composition

2009-06-26

2011-11-08

Katakam, Sudhakar (Department: 1621)

Organic compounds -- part of the class 532-570 series

Organic compounds

Carboxylic acids and salts thereof

C562S405000, C562S407000, C562S408000, C562S409000, C562S417000

Reexamination Certificate

active

08053597

ABSTRACT:
A process is provided for producing an enriched carboxylic acid compositions produced by contacting composition comprising a carboxylic acid with an enrichment feed in an enrichment zone to form an enriched carboxylic acid composition. This invention also relates to a process and the resulting compositions for removing catalyst from a carboxylic acid composition to produce a post catalyst removal composition.

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