Title:
ポリエステル製造方法において有用な化合物を用いた濃縮方法
Document Type and Number:
Japanese Patent JP2008540681
Kind Code:
A
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.
Inventors:
Parker, Kenny Randolph
Gibson, Philip Edward
Gibson, Philip Edward
Application Number:
JP2008512545A
Publication Date:
November 20, 2008
Filing Date:
May 18, 2006
Export Citation:
Assignee:
EASTMAN CHEMICAL COMPANY
International Classes:
C07C63/16; C07C29/94; C07C31/20; C07C51/573; C07C61/08; C07C63/15; C07C63/24; C07C63/26; C07C63/46
Domestic Patent References:
| JP2004359691A | 2004-12-24 |
Foreign References:
| US3839436A | 1974-10-01 |
Attorney, Agent or Firm:
Atsushi Aoki
Takashi Ishida
Tetsuji Koga
Takashi Ishida
Tetsuji Koga