Invention Grant
- Patent Title: Process for preparing precipitated silica having specific morphology, particle size and porosity
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Application No.: US14373791Application Date: 2013-01-23
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Publication No.: US09695053B2Publication Date: 2017-07-04
- Inventor: Emmanuelle Allain , Sylvaine Neveu
- Applicant: RHODIA OPERATIONS
- Applicant Address: FR Paris
- Assignee: Rhodia Operations
- Current Assignee: Rhodia Operations
- Current Assignee Address: FR Paris
- Priority: FR1200211 20120125
- International Application: PCT/EP2013/051233 WO 20130123
- International Announcement: WO2013/110654 WO 20130801
- Main IPC: C01B33/12
- IPC: C01B33/12 ; C01B33/193
Abstract:
The invention relates to a process for the preparation of precipitated silica formed of aggregates of large primary silica particles, at the surface of which occur small primary silica particles, in which the acid used in at least one of the process steps is a concentrated acid.
Public/Granted literature
- US20150030518A1 Process for preparing precipitated silica having specific morphology, particle size and porosity Public/Granted day:2015-01-29
Information query
