(under subclass 1) Subject matter under Class 520, ... wherein polymerization is effected in a loop or tubular reactor.
(1) Note. A loop reactor for purposes of this subclass is an apparatus wherein polymerization material is circulated in a continuous path within a single or multicoiled or spiraled structure which has at least one inlet and outlet means and at least one reaction zone.
(2) Note. A tubular reactor for purposes of this subclass is an apparatus wherein polymerizable material flows in an essentially linear direction in a tube or series of interconnected tubes, which tube or tubes are of small diameter in relation to their length and wherein each tube has at least one inlet and outlet means and one or more polymerization reaction zones.
