Invention Application
- Patent Title: METHOD FOR PREPARING MULTI-ARM POLY(ETHYLENE GLYCOL) CHLORIDES
- Patent Title (中): 制备多臂聚（乙二醇）氯化物的方法
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Application No.: US12957477Application Date: 2010-12-01
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Publication No.: US20110077432A1Publication Date: 2011-03-31
- Inventor: Henry Keith CHENAULT
- Applicant: Henry Keith CHENAULT
- Applicant Address: US DE Wilmington
- Assignee: E. I. DU PONT DE NEMOURS AND COMPANY
- Current Assignee: E. I. DU PONT DE NEMOURS AND COMPANY
- Current Assignee Address: US DE Wilmington
- Main IPC: C07C43/12
- IPC: C07C43/12
Abstract:
A method for preparing multi-arm poly(ethylene glycol) (PEG) chlorides from multi-arm PEG polyols is described. The method comprises a process, wherein the multi-arm PEG polyol is reacted with thionyl chloride to form the multi-arm PEG chloride.
Public/Granted literature
- US08097696B2 Method for preparing multi-arm poly(ethylene glycol) chlorides Public/Granted day:2012-01-17
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