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Title:
METHOD FOR PURIFYING BIS-2-HYDROXYLETHYL TEREPHTHALATE AND POLYESTER RESIN COMPRISING SAME
Document Type and Number:
WIPO Patent Application WO/2022/108071
Kind Code:
A1
Abstract:
The present invention relates to a method for purifying bis-2-hydroxylethyl terephthalate and to providing polyester resin comprising same.

Inventors:
HWANG DA-YOUNG (KR)
PARK KWANG-WOO (KR)
LEE YOO JIN (KR)
LEE JONG-IN (KR)
Application Number:
PCT/KR2021/012490
Publication Date:
May 27, 2022
Filing Date:
September 14, 2021
Export Citation:
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Assignee:
SK CHEMICALS CO LTD (KR)
International Classes:
C07C51/43; C07C65/03; C08G63/60; C08G63/66; C08L67/03
Foreign References:
JP2008088096A2008-04-17
KR20120012930A2012-02-13
KR20200061948A2020-06-03
KR20120078211A2012-07-10
JP2004123570A2004-04-22
JP2004189898A2004-07-08
US9127136B12015-09-08
US3120560A1964-02-04
US3268575A1966-08-23
US3632830A1972-01-04
EP0723951A11996-07-31
JP2000169623A2000-06-20
JP2008088096A2008-04-17
JP2000053802A2000-02-22
JP2016536291A2016-11-24
Attorney, Agent or Firm:
YOU ME PATENT AND LAW FIRM (KR)
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