Invention Grant
- Patent Title: Method for manufacturing dimethylolbutanal and method for manufacturing trimethylolpropane using same
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Application No.: US17041259Application Date: 2019-07-10
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Publication No.: US11008274B2Publication Date: 2021-05-18
- Inventor: Min Ji Choi , Sungshik Eom , Dawon Jung , Tae Yun Kim , Dong Hyun Ko , Mi Young 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: KR10-2018-0125970 20181022
- International Application: PCT/KR2019/008471 WO 20190710
- International Announcement: WO2020/085613 WO 20200430
- Main IPC: C07C45/64
- IPC: C07C45/64 ; C07C29/00 ; C07C29/153
Abstract:
A method for preparing dimethylolbutanal including performing an aldol reaction of n-butyraldehyde (n-BAL) and paraformaldehyde (PFA) in the presence of water and an alkylamine catalyst, in which a weight ratio of the paraformaldehyde:water is 1:0.35 to 1:0.85.
Public/Granted literature
- US20210009493A1 METHOD FOR MANUFACTURING DIMETHYLOLBUTANAL AND METHOD FOR MANUFACTURING TRIMETHYLOLPROPANE USING SAME Public/Granted day:2021-01-14
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