Invention Application
- Patent Title: PROCESS FOR PREPARING POLYESTER ALCOHOLS
- Patent Title (中): 制备聚酯醇的方法
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Application No.: US14498294Application Date: 2014-09-26
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Publication No.: US20150011792A1Publication Date: 2015-01-08
- Inventor: Lionel GEHRINGER , Veronika WLOKA , Ulrich MUELLER , Marine BOUDOU , Ulrike MAHN , Elke GUETLICH-HAUK
- Applicant: BASF SE
- Applicant Address: DE Ludwigshafen
- Assignee: BASF SE
- Current Assignee: BASF SE
- Current Assignee Address: DE Ludwigshafen
- Priority: EP09168315.1 20090820
- Main IPC: C07C67/08
- IPC: C07C67/08 ; B01J29/89
Abstract:
The invention relates to a process for preparing polyester alcohols by catalytic reaction of at least one at least polyfunctional carboxylic acid with at least one polyfunctional alcohol and/or by catalytic ring-opening polymerization of cyclic esters in the presence of catalysts, wherein a zeolite is used as catalyst.
Public/Granted literature
- US09133093B2 Process for preparing polyester alcohols Public/Granted day:2015-09-15
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