Batch-type polyester polymerization apparatus

Chemical apparatus and process disinfecting – deodorizing – preser – Chemical reactor – Organic polymerization

Reexamination Certificate

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Details

C422S133000, C422S134000, C528S272000, C528S296000

Reexamination Certificate

active

07074368

ABSTRACT:
A batch-type polyester polymerization apparatus manufactured by assembling a conventional batch-type apparatus with a thin film tower. The batch-type polyester polymerization apparatus is advantageous in that oligomer is polymerized while forming a polyester thin film on each inclined plate of a thin film tower, and a polycondensation reaction is conducted in a polycondensation reactor as well as the thin film tower, thus greatly reducing polymerization time.

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patent: 6875839 (2005-04-01), Gerking et al.
patent: 2005/0163679 (2005-07-01), Van Endert et al.
patent: 63-104602 (1988-05-01), None
patent: 5-53815 (1993-08-01), None
patent: 9-268231 (1997-10-01), None
patent: 10-218982 (1998-08-01), None
patent: 2001-40080 (2001-02-01), None

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