Invention Grant
- Patent Title: Process for producing poly-tetrahydrofuran
- Patent Title (中): 聚四氢呋喃的制备方法
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Application No.: US12289171Application Date: 2008-10-22
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Publication No.: US07989582B2Publication Date: 2011-08-02
- Inventor: Eun-Ku Lee , Yong-Ho Baek , Joon-Seok Oh , No-Hyun Kim , Jae-Young Huh
- Applicant: Eun-Ku Lee , Yong-Ho Baek , Joon-Seok Oh , No-Hyun Kim , Jae-Young Huh
- Applicant Address: KR Kyonggi-do
- Assignee: Hyosung Corporation
- Current Assignee: Hyosung Corporation
- Current Assignee Address: KR Kyonggi-do
- Agency: Nixon & Vanderhye P.C.
- Priority: KR10-2007-0120923 20071126
- Main IPC: C08G65/20
- IPC: C08G65/20 ; C08G65/06 ; C08G65/02 ; C08G65/04 ; C08G59/68
Abstract:
The present invention relates to a process for producing tetrahydrofuran polymer or tetrahydrofuran copolymer by using heteropolyacid catalyst, and more particularly, to a process for producing tetrahydrofuran polymer by using hydronium ion water having a pH of 5.5 or less as a reaction initiator in the initiation step.
Public/Granted literature
- US20090137776A1 Process for producing poly-tetrahydrofuran Public/Granted day:2009-05-28
Information query
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