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.

Date of Patent:
Oct. 28, 2014

Filed:

Nov. 28, 2012
Applicant:

Eastman Chemical Company, Kingsport, TN (US);

Inventors:

Kenny Randolph Parker, Afton, TN (US);

Daniel William Klosiewicz, Kingsport, TN (US);

Ramesh Chand Munjal, Kingsport, TN (US);

David J Rogers, Jr., Kingsport, TN (US);

Dustin A Tremaine, Kingsport, TN (US);

Assignee:

Eastman Chemical Company, Kingsport, TN (US);

Attorney:
Primary Examiner:
Int. Cl.
CPC ...
B01D 12/00 (2006.01); B01D 11/02 (2006.01); C08G 63/688 (2006.01); D21H 13/24 (2006.01);
U.S. Cl.
CPC ...
C08G 63/6886 (2013.01); B01D 11/0288 (2013.01); D21H 13/24 (2013.01); B01D 12/00 (2013.01);
Abstract

A process for separating a first mother liquor stream is provided. The process comprises: separating a first mother liquor stream in a second solid liquid separation zone to produce a secondary wet cake stream and a second mother liquor stream; wherein the first mother liquor stream comprises water non-dispersible microfiber, water, and water dispersible sulfopolyester; wherein the second mother liquor stream comprises water and water dispersible sulfopolyester; and wherein the secondary wet cake stream comprises water non-dispersible polymer microfiber.


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