BASF Wintershall Holding GmbH
BASF Wintershall Holding GmbH Patent applications | ||
Patent application number | Title | Published |
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20130228332 | DERIVATIVES OF TRIS(2-HYDROXYPHENYL)METHANES, PREPARATION THEREOF AND USE THEREOF FOR MINERAL OIL PRODUCTION - Novel derivatives of tris(2-hydroxyphenyl)methanes which have, as functional groups, polyalkoxy groups unmodified or modified with terminal hydrophilic groups, preparation of such compounds and use thereof, especially for mineral oil production. | 09-05-2013 |