US Patent 7304178 Enriched isophthalic acid composition

Patent 7304178 was granted and assigned to Eastman Chemical Company on December, 2007 by the United States Patent and Trademark Office.

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Patent

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Current Assignee

Eastman Chemical Company

Patent Jurisdiction

United States Patent and Trademark Office

Patent Number

73041780

Patent Inventor Names

Kenny Randolph Parker0

Philip Edward Gibson0

Date of Patent

December 4, 2007

Patent Application Number

113654400

Date Filed

March 1, 2006

Patent Primary Examiner

‌

Yvonne Eyler

Patent 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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