Invention Grant
US08153107B2 Process for the preparation of aqueous suspensions of anionic colloidal silica having a neutral pH and applications thereof
有权
制备具有中性pH的阴离子胶体二氧化硅的水悬浮液的方法及其应用
- Patent Title: Process for the preparation of aqueous suspensions of anionic colloidal silica having a neutral pH and applications thereof
- Patent Title (中): 制备具有中性pH的阴离子胶体二氧化硅的水悬浮液的方法及其应用
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Application No.: US13014207Application Date: 2011-01-26
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Publication No.: US08153107B2Publication Date: 2012-04-10
- Inventor: Eric Jacquinot , Marie-Laure Perard , Uwe Falk , Torsten Henning
- Applicant: Eric Jacquinot , Marie-Laure Perard , Uwe Falk , Torsten Henning
- Applicant Address: US NJ Somerville
- Assignee: AZ Electronic Materials USA Corp.
- Current Assignee: AZ Electronic Materials USA Corp.
- Current Assignee Address: US NJ Somerville
- Agent Sangya Jain
- Priority: FR0100219 20010109; FR0113328 20011016
- Main IPC: C01B33/12
- IPC: C01B33/12 ; C01B33/20 ; C01B33/113 ; C01B33/141 ; A61K8/00 ; A61K8/18 ; A61Q17/04
Abstract:
The instant invention relates to a process for the preparation of an aqueous suspension of anionic colloidal silica having a neutral pH which is stable over time and comprises individualized particles of colloidal silica which are not bound to one another by siloxane bonds. The instant suspensions show high storage stability and are particularly useful for the clarification of beer, for the preparation of cosmetic formulations, for the production of ink for printers, for paints and for anticorrosive treatments.
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