Invention Grant
- Patent Title: Method for producing polyether carbonate polyols
- Patent Title (中): 聚碳酸酯多元醇的制备方法
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Application No.: US14363962Application Date: 2012-12-10
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Publication No.: US09228054B2Publication Date: 2016-01-05
- Inventor: Thomas Ernst Müller , Christoph Gürtler , Muhammad Afzal Subhani
- Applicant: Bayer Intellectual Property GmbH
- Applicant Address: DE Monheim
- Assignee: Bayer Intellectual Property GmbH
- Current Assignee: Bayer Intellectual Property GmbH
- Current Assignee Address: DE Monheim
- Agency: Drinker Biddle & Reath LLP
- Priority: EP11194164 20111216
- International Application: PCT/EP2012/074987 WO 20121210
- International Announcement: WO2013/087583 WO 20130620
- Main IPC: C08G65/34
- IPC: C08G65/34 ; C08G64/34 ; C08G65/26 ; C08G64/18 ; C08G18/48
Abstract:
The present invention relates to a method for producing polyether carbonate polyols by way of the catalytic addition of carbon dioxide and alkylene oxides to H-functional starter compounds in the presence of double metal cyanide (DMC) catalyzer that was activated in the presence of cyclic anhydride.
Public/Granted literature
- US20140323670A1 METHOD FOR PRODUCING POLYETHER CARBONATE POLYOLS Public/Granted day:2014-10-30
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