Invention Grant
- Patent Title: Method for preparing trimethylolpropane
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Application No.: US16472493Application Date: 2018-10-04
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Publication No.: US10947174B2Publication Date: 2021-03-16
- Inventor: Dawon Jung , Sungshik Eom , Tae Yun Kim , Dong Hyun Ko , Mi Young Kim , Min Ji Choi , Taewoo Kim
- Applicant: LG CHEM, LTD.
- Applicant Address: KR Seoul
- Assignee: LG CHEM, LTD.
- Current Assignee: LG CHEM, LTD.
- Current Assignee Address: KR Seoul
- Agency: Dentons US LLP
- Priority: KR10-2017-0137495 20171023
- International Application: PCT/KR2018/011742 WO 20181004
- International Announcement: WO2019/083188 WO 20190502
- Main IPC: C07C29/141
- IPC: C07C29/141 ; C07C45/64
Abstract:
A method for preparing trimethylolpropane, the method including: subjecting dimethylolbutanal (DMB) to a hydrogenation reaction in the presence of a metal catalyst and an alcohol solvent. During the hydrogenation reaction, a weight ratio of the alcohol solvent based to dimethylolbutanal is 2 to 10.
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