Invention Grant
- Patent Title: Purification of 1,1-disubstituted ethylene
- Patent Title (中): 1,1-双取代乙烯的纯化
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Application No.: US13752361Application Date: 2013-01-28
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Publication No.: US08829225B2Publication Date: 2014-09-09
- Inventor: Francis McConville , John Gregory Reid , Murugappa Vedachalam
- Applicant: OptMed, Inc.
- Applicant Address: US NY New York
- Assignee: OptMed, Inc.
- Current Assignee: OptMed, Inc.
- Current Assignee Address: US NY New York
- Agency: IP&L Solutions
- Agent Edward K. Welch, II
- Main IPC: C07C253/30
- IPC: C07C253/30 ; C07C67/00 ; B01D15/00 ; C07C67/56 ; C10G70/04 ; C07C253/34 ; C07C231/24
Abstract:
An improvement in the production of 1,1-disubstituted ethylenes is attained by contacting a 1,1-disubstituted ethylene with alumina and separating the alumina to obtain a 1,1-disubstituted ethylene with a good combination of cost, purity, shelf life and cure rate.
Public/Granted literature
- US20130310594A1 1,1-DISUBSTITUTED ETHYLENE PROCESS Public/Granted day:2013-11-21
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