Synthetic resins or natural rubbers -- part of the class 520 ser – Synthetic resins – Effecting a change in a polymerization process in response...
Reexamination Certificate
2011-08-02
2011-08-02
Teskin, Fred M (Department: 1762)
Synthetic resins or natural rubbers -- part of the class 520 ser
Synthetic resins
Effecting a change in a polymerization process in response...
C526S919000, C422S111000, C422S131000, C422S140000
Reexamination Certificate
active
07989562
ABSTRACT:
A system and method for olefin polymerization is provided. The method includes polymerizing one or more olefins within a reactor having one or more injection tubes in fluid communication therewith, at least one of the one or more injection tubes having two or more concentric flow paths; flowing a catalyst through a first flow concentric path of the injection tube into the reactor; flowing one or more monomers through a second concentric flow path of the injection tube into the reactor; measuring rate of heat removal within the reactor; and adjusting the one or more monomers flow through the injection tube in response to the rate of heat removal in the reactor.
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Blood Mark W.
Davis Mark B.
Lynn Timothy R.
Oskam John H.
Savatsky Bruce J.
Teskin Fred M
Univation Technologies LLC
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