The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.
The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.
Patent No.:
Date of Patent:
Mar. 28, 2017
Filed:
Dec. 17, 2013
Applicant:
Eastman Chemical Company, Kingsport, TN (US);
Inventors:
Kenny Randolph Parker, Afton, TN (US);
Shane Kipley Kirk, Church Hill, TN (US);
Assignee:
Eastman Chemical Company, Kingsport, TN (US);
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
C08J 11/06 (2006.01); B01D 61/14 (2006.01);
U.S. Cl.
CPC ...
C08J 11/06 (2013.01); B01D 61/145 (2013.01); B01D 2315/10 (2013.01); C08J 2367/02 (2013.01); Y02W 30/701 (2015.05);
Abstract
A process for recovering a concentrated sulfopolyester dispersion is provided comprising routing an aqueous dispersion comprising a water-dispersible sulfopolyester to a sulfopolyester concentration zone to remove water from the aqueous dispersion to produce the concentrated sulfopolyester dispersion and a recovered water stream; wherein the sulfopolyester concentration zone comprises at least one ultrafiltration membrane.