发明申请
- 专利标题: USE OF SURFACTANT MIXTURES FOR TERTIARY MINERAL OIL EXTRACTION
- 专利标题(中): 使用表面活性剂混合物进行矿物油萃取
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申请号: US12427109申请日: 2009-04-21
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公开(公告)号: US20090270281A1公开(公告)日: 2009-10-29
- 发明人: Ulrich Steinbrenner , Christian Bittner , Gunter Oetter , Marcus Guzmann
- 申请人: Ulrich Steinbrenner , Christian Bittner , Gunter Oetter , Marcus Guzmann
- 申请人地址: DE Ludwigshafen
- 专利权人: BASF SE
- 当前专利权人: BASF SE
- 当前专利权人地址: DE Ludwigshafen
- 主分类号: C09K8/584
- IPC分类号: C09K8/584
摘要:
The use of a surfactant mixture comprising at least one surfactant having a hydrocarbon radical composed of from 12 to 30 carbon atoms and at least one cosurfactant having a branched hydrocarbon radical composed of from 6 to 11 carbon atoms for tertiary mineral oil extraction.
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