The invention is directed to polyester processes that utilizes a pipe reactor in the esterification, polycondensation, or both esterification and polycondensation processes. Pipe reactor processes of the present invention have a multitude of advantages over prior art processes including improved heat...http://www.google.com.au/patents/US6861494?utm_source=gb-gplus-sharePatent US6861494 - Polyester process using a pipe reactor
