Raw material efficiency method and process

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United States of America Patent

PATENT NO 8293853
APP PUB NO 20100331499A1
SERIAL NO

12919161

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ATTORNEY / AGENT: (SPONSORED)

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Abstract

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A method and apparatus are disclosed for controlling product discharge from a fluidized bed reactor and for minimizing the loss of the unreacted monomer in the fluidizing gas upon removing the solid polymer product from the reactor. The method and apparatus utilize at least one detector in the product tank or its vent line and a control system in communication with the detector and the product tank fill valve, along with certain algorithms, to adjust by an iterative process, the product discharge time, thereby maximizing resin fill in the product tank and minimizing the lost reactor gas volume.

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Patent Owner(s)

Patent OwnerAddress
UNIVATION TECHNOLOGIES LLC5555 SAN FELIPE SUITE 1950 HOUSTON TX 77056

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Inventor(s)

Inventor Name Address # of filed Patents Total Citations
Drabish, Jeffrey B Elkview, US 6 17
Longoria,, Jr Oscar M Rockport, US 2 4
Parrish, John R Charleston, US 18 266
Swecker,, II James L Clendenin, US 4 12

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  • C08F Class
  • 9.58 % this patent is cited more than
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Citation count rangeNumber of patents cited in rangeNumber of patents cited in various citation count ranges102642164703619128231601 - 1011 - 2021 - 3031 - 4041 - 5051 - 6061 - 7071 - 8081 - 9091 - 100100 +050100150200250300350400450500550600650700

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