Treating matter
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United States of America Patent
Stats
-
Dec 31, 1991
Grant Date -
N/A
app pub date -
May 23, 1988
filing date -
May 28, 1987
priority date (Note) -
Expired
status (Latency Note)
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Abstract
Matter to be treated is passed through at least two treating regions sequentially wherein a bed of the matter is moved in a band continuously along an annular path by passing fluid through the bed along the path. The annular paths of the regions are concentric.
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