Invention Grant
- Patent Title: Preparation method for cyclohexane dimethanol having high trans content and cyclohexane dimethanol prepared thereby
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Application No.: US16955421Application Date: 2018-12-21
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Publication No.: US11214532B2Publication Date: 2022-01-04
- Inventor: Jong Kwon Lee , Ki Don Kim , Eun Jeong Kim , Joo Hee Han , Ho Seong Nam
- Applicant: HANWHA SOLUTIONS CORPORATION
- Applicant Address: KR Seoul
- Assignee: HANWHA SOLUTIONS CORPORATION
- Current Assignee: HANWHA SOLUTIONS CORPORATION
- Current Assignee Address: KR Seoul
- Agency: Sughrue Mion, PLLC
- Priority: KR10-2017-0178151 20171222
- International Application: PCT/KR2018/016516 WO 20181221
- International Announcement: WO2019/125071 WO 20190627
- Main IPC: C07C29/147
- IPC: C07C29/147 ; C07C29/149 ; C07C31/27 ; C07C29/56 ; B01J21/04 ; B01J23/46 ; B01J23/755 ; B01J23/44 ; B01J23/40 ; B01J23/42 ; B01J23/14 ; B01J21/06 ; B01J21/10 ; B01J21/08
Abstract:
Provided is a preparation method for a cyclohexane dimethanol (CHDM), which can have a high trans content through particular conditions, additive addition, or reactant addition, which is controlled in a cyclohexane dicarboxylic acid (CHDA) hydrogenation reaction, and a cyclohexane dimethanol prepared thereby.
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