POLYTRIMETHYLENE ETHER GLYCOL AND METHOD FOR MANUFACTURING SAME

Title:

POLYTRIMETHYLENE ETHER GLYCOL AND METHOD FOR MANUFACTURING SAME

Document Type and Number:

WIPO Patent Application WO/2023/022392

Kind Code:

A1

Abstract:

The present invention provides a method for manufacturing polytrimethylene ether glycol by which cyclic oligomers, 1,3-PDO, and oxidation by-products can be removed from the polytrimethylene ether glycol product, and polytrimethylene ether glycol manufactured according to the method.

Inventors:

CHUNG JAE-IL (KR)
CHO HAN-GYEOL (KR)
CHO HYUN JUN (KR)

Application Number:

PCT/KR2022/011288

Publication Date:

February 23, 2023

Filing Date:

August 01, 2022

Export Citation:

Click for automatic bibliography generation Help

Assignee:

SK CHEMICALS CO LTD (KR)

International Classes:

C08G65/34; C08G65/46

Domestic Patent References:

WO2019066310A1

2019-04-04

Foreign References:

KR20020063213A	2002-08-01
KR20140038423A	2014-03-28
KR20070024607A	2007-03-02
KR100233797B1	1999-12-01

Attorney, Agent or Firm:

YOU ME PATENT AND LAW FIRM (KR)

Download PDF:

View/Download PDF PDF Help

Previous Patent: CHIP PACKAGE STRUCTURE AND ELECTRONIC DEVICE COMPRISING SAME

Next Patent: POLYTRIMETHYLENE ETHER GLYCOL AND PREPARATION METHOD THEREFOR