Polymerization process

Details Polymerization process Polymerization process

1993-07-16

1995-07-18

Schofer, Joseph L.

Synthetic resins or natural rubbers -- part of the class 520 ser

Synthetic resins

Removing and recycling removed material from an ongoing...

526 68, 526 88, 526901, C08F 234

Patent

active

054342287

ABSTRACT:
The present invention relates to a gas phase fluidized bed reactor (1) comprising an upright tubular portion (2) having a fluidization grid (4) in the lower part thereof. According to the invention the upright tubular portion (4) is provided with an external conduit (13) which connects a lower orifice (14) which is above the fluidization grid (4) and an upper orifice (15) which is a height above the lower orifice (14). The invention also relates to a gas phase polymerization process carried out in the reactor.

REFERENCES:
patent: 4003712 (1977-01-01), Miller

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