07635745 is referenced by 12 patents and cites 348 patents.

Processes for the recovery of a sulfopolyester polymer from an aqueous dispersion and a sulfopolyester concentrate are provided. Particularly, a sulfopolyester concentrate, from which the sulfopolyester may be recovered and reused, are formed by processes such as evaporation and/or nanofiltration. Final recovery of the sulfopolyester may be achieved by further evaporation of water and/or salt precipitation. In addition, the recovered sulfopolyester and articles manufactured from the recovered sulfopolyester are also provided.

Title
Sulfopolyester recovery
Application Number
11/343955
Publication Number
7635745 (B2)
Application Date
January 31, 2006
Publication Date
December 22, 2009
Inventor
Kab Sik Seo
Kingsport
TN, US
Scott Ellery George
Kingsport
TN, US
Daniel William Klosiewicz
Kingsport
TN, US
Allen Lynn Crain
Kingsport
TN, US
Rakesh Kumar Gupta
Kingsport
TN, US
Agent
Bernard J Graves Jr
Polly C Owen
Assignee
Eastman Chemical Company
TN, US
IPC
C08G 75/00
C08G 63/68
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