Synthetic resins or natural rubbers -- part of the class 520 ser – Synthetic resins – Polymers from only ethylenic monomers or processes of...
Reexamination Certificate
2005-09-30
2009-11-10
Choi, Ling-Siu (Department: 1796)
Synthetic resins or natural rubbers -- part of the class 520 ser
Synthetic resins
Polymers from only ethylenic monomers or processes of...
C526S064000, C526S066000, C526S348000, C526S943000, C502S103000, C502S152000
Reexamination Certificate
active
07615596
ABSTRACT:
Multiple components are selected, conveyed, and measured in a polymerization system. A control system adjusts the system variables to the desired values. Portions of the components can be fed to a pre-contactor before introduction into the polymerization reactor. The catalyst component concentrations and residence times are tightly controlled in the pre-contactor to affect product properties. The pre-contactor can be a single or multiple combinations of a CSTR or plug flow pre-contactors.
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Benham Elizabeth A.
Burns David H.
Haberly Matthew T.
Hottovy John D.
Lanier Jerry T.
Chevron Phillips Chemical Company LP
Choi Ling-Siu
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