- Patent Title: Method for preparing ligand for polyketone polymerization catalyst
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Application No.: US15781334Application Date: 2016-11-11
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Publication No.: US10702859B2Publication Date: 2020-07-07
- Inventor: Geun Jho Lim , Sun Ki Chang , Hyun Woo Baek , Jun Hyun Oh , Yeong Hun Kim
- Applicant: ST PHARM CO., LTD.
- Applicant Address: KR
- Assignee: ST PHARM CO., LTD.
- Current Assignee: ST PHARM CO., LTD.
- Current Assignee Address: KR
- Agency: Miller, Matthias & Hull LLP
- Priority: com.zzzhc.datahub.patent.etl.us.BibliographicData$PriorityClaim@45d032fd
- International Application: PCT/KR2016/013004 WO 20161111
- International Announcement: WO2017/099372 WO 20170615
- Main IPC: C07F9/655
- IPC: C07F9/655 ; B01J31/02 ; C07F9/50 ; C08L61/34
Abstract:
The present disclosure provides a method for preparing ((2,2-dimethyl-1,3-dioxane-5,5-diyl)bis(methylene))bis(bis(2-methoxyphenyl)phosphine), a ligand for a polyketone polymerization catalyst, under mild conditions with high purity and high yield. Therefore, the preparation method of the present disclosure can be easily applied to mass production.
Public/Granted literature
- US20180361369A1 Method For Preparing Ligand For Polyketone Polymerization Catalyst Public/Granted day:2018-12-20
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