Title:
PREPARATION OF POLYESTER
Document Type and Number:
Japanese Patent JPS5314796
Kind Code:
A
Abstract:
PURPOSE: To feed into direct esterification or ester exchange reaction process ethylene glycol distilled from a step of preparing polyester without purification as starting ethylene glycol.
Inventors:
SANO TAKEO
OKA MITSUO
OKADA TAKEHIKO
KOMATSU HIDEO
YANAGI MASAKATA
OKA MITSUO
OKADA TAKEHIKO
KOMATSU HIDEO
YANAGI MASAKATA
Application Number:
JP8904676A
Publication Date:
February 09, 1978
Filing Date:
July 28, 1976
Export Citation:
Assignee:
TORAY INDUSTRIES
International Classes:
C08G63/00; C08G63/78; (IPC1-7): C08G63/22
Domestic Patent References:
| JPS5118793A | 1976-02-14 |