Processes to produce short cut microfibers

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United States of America Patent

PATENT NO 8906200
SERIAL NO

13687493

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ATTORNEY / AGENT: (SPONSORED)

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Abstract

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A process for producing a microfiber product stream, the process comprising:

    (A) contacting cut multicomponent fibers having a length of less than 25 millimeters with a treated aqueous stream in a fiber slurry zone to produce a cut multicomponent fiber slurry;(B) contacting the cut multicomponent fiber slurry with a heated aqueous stream in a mix zone to produce a heated multicomponent fiber slurry;(C) routing the heated multicomponent fiber slurry to a fiber opening zone to remove a portion of the water dispersible sulfopolyester to produce an opened microfiber slurry; and(D) routing the opened microfiber slurry to a primary solid liquid separation zone to produce the microfiber product stream and a first mother liquor stream.

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Patent Owner(s)

  • EASTMAN CHEMICAL COMPANY

International Classification(s)

Inventor(s)

Inventor Name Address # of filed Patents Total Citations
Klosiewicz, Daniel William Kingsport, US 41 1214
Munjal, Ramesh Chand Kingsport, US 20 428
Parker, Kenny Randolph Afton, US 181 2736
Rogers,, Jr David J Kingsport, US 4 173
Tremaine, Dustin A Kingsport, US 6 231

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