Invention Grant
- Patent Title: Process for preparation of acetals
- Patent Title (中): 缩醛的制备方法
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Application No.: US13936393Application Date: 2013-07-08
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Publication No.: US09029575B2Publication Date: 2015-05-12
- Inventor: Parasu Veera Uppara , Pavankumar Aduri , Mangesh Sakhalkar , Uday Ratnaparkhi
- Applicant: Reliance Industries Limited
- Applicant Address: IN Mumbai
- Assignee: Reliance Industries Limited
- Current Assignee: Reliance Industries Limited
- Current Assignee Address: IN Mumbai
- Agency: Collard & Roe, P.C.
- Priority: IN78/MUM/2011 20110110
- Main IPC: C07D493/00
- IPC: C07D493/00 ; C07D493/04 ; C07H9/04
Abstract:
A process for the preparation of 1,3:2,4-bis(4-methylbenzylidene)sorbitol (MDBS) and 1,3:2,4-bis(3,4-dimethylbenzylidene)sorbitol (DMDBS) via a dehydrocondensation reaction is disclosed. The reaction is carried out between an aldehyde and an alditol in a mole ratio of 2:1 wherein ionic fluid is used as the acidic catalyst and/or reaction medium. The ionic fluid used in accordance with the present invention is quaternary ammonium salt based ionic liquid.
Public/Granted literature
- US20130296580A1 Process For Preparation Of Acetals Public/Granted day:2013-11-07
Information query
