Invention Grant
- Patent Title: Processes for preparing polytrimethylene ether glycol esters
- Patent Title (中): 制备聚三亚甲基醚乙二醇酯的方法
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Application No.: US13449862Application Date: 2012-04-18
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Publication No.: US08759559B2Publication Date: 2014-06-24
- Inventor: Hari Babu Sunkara , Sam Cotterill
- Applicant: Hari Babu Sunkara , Sam Cotterill
- 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: C11C3/00
- IPC: C11C3/00 ; C07C69/66
Abstract:
Provided are processes for preparing polytrimethylene ether glycol monoester or diesters composition wherein polytrimethylene ether glycol containing less than about 1 weight % of unreacted diol monomer is reacted with an equivalent excess of a monocarboxylic acid.
Public/Granted literature
- US20130281723A1 PROCESSES FOR PREPARING POLYTRIMETHYLENE ETHER GLYCOL ESTERS Public/Granted day:2013-10-24
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