Invention Grant
- Patent Title: Process for preparing acetals and ketals
- Patent Title (中): 制备缩醛和缩酮的方法
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Application No.: US14130682Application Date: 2012-06-29
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Publication No.: US09309178B2Publication Date: 2016-04-12
- Inventor: Thomas Clavey
- Applicant: Thomas Clavey
- Applicant Address: NL Heerlen
- Assignee: DSM IP ASSETS B.V.
- Current Assignee: DSM IP ASSETS B.V.
- Current Assignee Address: NL Heerlen
- Agency: Nixon & Vanderhye P.C.
- Priority: EP11172866 20110706
- International Application: PCT/EP2012/062742 WO 20120629
- International Announcement: WO2013/004626 WO 20130110
- Main IPC: C07C41/56
- IPC: C07C41/56 ; C07C41/58 ; B01D61/36
Abstract:
The present invention is concerned with a process for preparing acetals and ketals which comprises (i) reacting an aldehyde or ketone with an alcohol in the presence of a solid acid at a temperature of below −40° C., and (ii) removing water and lower aliphatic alcohol and/or sugar alcohol from the reaction product by pervaporation.
Public/Granted literature
- US20140323771A1 PROCESS FOR PREPARING ACETALS AND KETALS Public/Granted day:2014-10-30
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