US Patent 7834108 Powder transfer device and polyolefin production process
Patent 7834108 was granted and assigned to Sumitomo Chemical on November, 2010 by the United States Patent and Trademark Office.
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Patent abstract
The present invention provides a powder transfer device that has a simple construction, yet enables the powder discharge rate to be easily controlled, as well as a polyolefin powder production process using such a powder transfer device. A powder transfer device includes a downcomer which extends downward, and a gas slider situated below the downcomer. The gas slider has, on a side thereof facing an opening at a bottom end of the downcomer, a gas dispersion plate in which a plurality of gas outlets are formed.
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Patent Inventor Names
Hideki Sato0
Hiroyuki Ogawa0
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US Patent 07834108 Powder transfer device and polyolefin production process US Patent 7834108 Powder transfer device and polyolefin production process
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Patent Number
07834108
Patent Number
7834108
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Official Website
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US Patent 07834108 Powder transfer device and polyolefin production process
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Is a
Current assignee
Patent jurisdiction
Patent number
07834108
Date of patent
November 16, 2010
Patent application number
12332055
Date Filed
December 10, 2008
Patent primary examiner
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