PROCESS FOR RECYCLING CELLULOSE ACETATE ESTER WASTE

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United States of America Patent

APP PUB NO 20100175691A1
SERIAL NO

12686619

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ATTORNEY / AGENT: (SPONSORED)

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Abstract

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A process for recycling cellulose acetate ester waste comprising the steps of: providing a reactor, adding cellulose acetate ester waste and a hydrolyzing agent to the reactor to create an agent/waste mixture followed by hydrolyzing the cellulose acetate ester waste by agitating and heating the agent/waste mixture for a period of time to create a hydrolyzed mixture. The hydrolyzing agent is then distilled and/or separated from the hydrolyzed mixture followed by separating and removing solid material from the hydrolyzed mixture to create a water soluble product stream which includes monosaccharides, polysaccharides, partially hydrolyzed cellulose, acetic acid, or combinations thereof. The water soluble product stream is then collected.

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Patent Owner(s)

Patent OwnerAddress
CELANESE ACETATE LLC2300 ARCHDALE DRIVE CHARLOTTE NC 28210

International Classification(s)

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  • 2010 Application Filing Year
  • C13K Class
  • 34 Applications Filed
  • 23 Patents Issued To-Date
  • 67.65 % Issued To-Date
Click to zoom InYear of Issuance% of Matters IssuedCumulative IssuancesYearly Issuances2010201120122013201420152016201720180255075100

Inventor(s)

Inventor Name Address # of filed Patents Total Citations
Combs, Michael T Shady Spring, US 22 69
Woodson, Bruce Ray Bluefield, US 1 2

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Patent Citation Ranking

  • 2 Citation Count
  • C13K Class
  • 22.22 % this patent is cited more than
  • 15 Age
Citation count rangeNumber of patents cited in rangeNumber of patents cited in various citation count ranges241201 - 1011 - 2021 - 3000.250.50.7511.251.51.7522.252.52.7533.253.53.7544.25

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