Invention Grant
- Patent Title: Process for production of glycolic acid
- Patent Title (中): 乙醇酸生产工艺
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Application No.: US12736865Application Date: 2009-03-16
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Publication No.: US08501987B2Publication Date: 2013-08-06
- Inventor: Ying Sun , Hua Wang , Zhongmin Liu , Martin Philip Atkins
- Applicant: Ying Sun , Hua Wang , Zhongmin Liu , Martin Philip Atkins
- Applicant Address: CN Liaoning GB London
- Assignee: Dalian Institute of Chemical Physics,Chinese Academy of Sciences BP P.L.C.
- Current Assignee: Dalian Institute of Chemical Physics,Chinese Academy of Sciences BP P.L.C.
- Current Assignee Address: CN Liaoning GB London
- Agency: Nixon & Vanderhye
- Priority: WOPCT/CN2008/000970 20080520
- International Application: PCT/CN2009/000278 WO 20090316
- International Announcement: WO2009/140850 WO 20091126
- Main IPC: C07C27/06
- IPC: C07C27/06 ; C07C51/10
Abstract:
Process for producing glycolic acid by contacting carbon monoxide and formaldehyde, optionally in the presence of a solvent, with a catalyst including a solid acid. The solid acid is an acidic polyoxometalate compound insoluble in formaldehyde, glycolic acid and the optional solvent, and has a concentration of acid sites of greater than 60 μmol g−1 on the external surface and/or a Hammett Acidity value of less than −12.8.
Public/Granted literature
- US20110144388A1 PROCESS FOR PRODUCTION OF GLYCOLIC ACID Public/Granted day:2011-06-16
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