Polyester process using a pipe reactor

Details Polyester process using a pipe reactor Polyester process using a pipe reactor

2006-08-17

2008-09-09

Boykin, Terressa M (Department: 1796)

Synthetic resins or natural rubbers -- part of the class 520 ser

Synthetic resins

From carboxylic acid or derivative thereof

C422S129000, C425S006000, C524S081000, C526S064000, C526S065000, C528S271000, C528S272000

Reexamination Certificate

active

07423109

ABSTRACT:
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 transfer, volume control, agitation and disengagement functions.

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