Chemical apparatus and process disinfecting – deodorizing – preser – Chemical reactor – Organic polymerization
Reexamination Certificate
2007-08-28
2007-08-28
Caldarola, Glenn (Department: 1764)
Chemical apparatus and process disinfecting, deodorizing, preser
Chemical reactor
Organic polymerization
C422S135000, C015S104061
Reexamination Certificate
active
09778192
ABSTRACT:
A closed loop continuous emulsion polymerization apparatus at least comprising a circulation pump, a reactor tube which connects the outlet of the circulation pump to its inlet, at least one feed for supplying raw materials, an outlet, and means for cooling the tube, characterized in that the reactor further comprises an additional tube for by-passing a pig around the circulation pump, a pig receiving station which is in parallel connection with the circulation pump or the reactor tube, and optionally means for directing a pig into the pig receiving station. The invention allows simple removal of the pig from the reactor, afforts great freedom in selecting the type of circulation pump and material and shape of the pig, and enables total control over the launching of the pig substantially independent of the reaction medium flow.
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Maurice Wilkinson and Ken Geddes, “An Award Winning Process”, Chemistry in Britain, Dec. 1993, pp. 1050-1053.
Adams David Charles
Geddes Kenneth Raymond
Jones Howard
Akzo Nobel NV
Burke Michelle J.
Caldarola Glenn
Leung Jennifer A.
Vickrey David H.
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