Invention Grant
- Patent Title: Fluorine-free composition for water repellent coating of surfaces with improved water repellent properties
- Patent Title (中): 具有改善防水性能的表面防水涂料的无氟组合物
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Application No.: US13147712Application Date: 2010-01-11
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Publication No.: US08741038B2Publication Date: 2014-06-03
- Inventor: Manuel Friedel , Spomenko Ljesic
- Applicant: Manuel Friedel , Spomenko Ljesic
- Applicant Address: DE Essen
- Assignee: Evonik Degussa GmbH
- Current Assignee: Evonik Degussa GmbH
- Current Assignee Address: DE Essen
- Agency: Oblon, Spivak, McClelland, Maier & Neustadt, L.L.P.
- Priority: DE102009000614 20090204
- International Application: PCT/EP2010/050207 WO 20100111
- International Announcement: WO2010/089166 WO 20100812
- Main IPC: C04B41/49
- IPC: C04B41/49 ; C09D183/04 ; C04B41/00
Abstract:
The present invention relates to a fluorine-free composition for hydrophobizing porous mineral substrates and for producing a water repellent effect on the surface of the substrate, the composition being based on at least one hydrophobizing active substance and at least one hydrophobic metal oxide. The invention furthermore relates to a process for the preparation of such a composition and the use of this composition.
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