Synthetic resins or natural rubbers -- part of the class 520 ser – Synthetic resins – Removing and recycling removed material from an ongoing...
Reexamination Certificate
2011-07-12
2011-07-12
Cheung, William (Department: 1762)
Synthetic resins or natural rubbers -- part of the class 520 ser
Synthetic resins
Removing and recycling removed material from an ongoing...
C526S069000, C526S070000, C526S072000, C422S139000
Reexamination Certificate
active
07977436
ABSTRACT:
A process and apparatus for gas phase polymerization of olefins in a fluidized bed reactor are disclosed. The process and apparatus employ a vertically oriented fines ejector in order to reduce fouling and reactor downtime.
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Dooley Kenneth Alan
Leonard Dwayne Ray
Lin Robert
Lorenz Mark Dewayne
Meade David Lynn
Cheung William
Phan Law Group PLLC
Westlake Longview Corp.
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