Invention Grant
- Patent Title: Method for producing hydrophobic silica granules
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Application No.: US16481863Application Date: 2017-02-27
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Publication No.: US11377564B2Publication Date: 2022-07-05
- Inventor: Konrad Hindelang , Dominik Jantke , Richard Weidner
- Applicant: WACKER CHEMIE AG
- Applicant Address: DE Munich
- Assignee: WACKER CHEMIE AG
- Current Assignee: WACKER CHEMIE AG
- Current Assignee Address: DE Munich
- Agency: Brooks Kushman P.C.
- International Application: PCT/EP2017/054467 WO 20170227
- International Announcement: WO2018/153493 WO 20180830
- Main IPC: C09C1/30
- IPC: C09C1/30 ; C01B33/18
Abstract:
Granular and/or shaped hydrophobic silica useful for thermal insulation materials are prepared by mixing hydrophilic silica with a hydrophobicizing agent at low temperature so the hydrophobicizing agent does not appreciably react, followed by deaeration and compaction.
Information query
