Invention Grant
- Patent Title: Method for the preparation of 1,4-butane diol having an APHA color index of less than 30
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Application No.: US15030627Application Date: 2014-10-13
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Publication No.: US09975829B2Publication Date: 2018-05-22
- Inventor: Rolf Pinkos , Olga Osetska , Irene de Wispelaere , Stefan Dudenhoeffer , Christina Walczuch
- Applicant: BASF SE
- Applicant Address: DE Ludwigshafen
- Assignee: BASF SE
- Current Assignee: BASF SE
- Current Assignee Address: DE Ludwigshafen
- Agency: Marshall, Gerstein & Borun LLP
- Priority: EP13189864 20131023
- International Application: PCT/EP2014/071886 WO 20141013
- International Announcement: WO2015/058990 WO 20150430
- Main IPC: B01D3/34
- IPC: B01D3/34 ; C07C29/80 ; C07C29/88 ; B01D3/14 ; C07C29/94
Abstract:
Method for preparing 1,4-butanediol having an APHA color index of less than 30 by treating substance mixtures comprising 1,4-butanediol by distillation of the 1,4-butanediol in the presence of complex hydrides.
Public/Granted literature
- US20160244387A1 METHOD FOR THE PREPARATION OF 1,4-BUTANE DIOL HAVING AN APHA COLOR INDEX OF LESS THAN 30 Public/Granted day:2016-08-25
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