Invention Grant
- Patent Title: Treatment of zirconia-based material with ammonium bi-fluoride
- Patent Title (中): 用二氟化铵处理氧化锆基材料
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Application No.: US13387541Application Date: 2010-07-29
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Publication No.: US08778291B2Publication Date: 2014-07-15
- Inventor: Willem Liebenberg Retief , Johannes Theodorus Nel , Wilhelmina Du Plessis , Philippus Lodewyk Crouse
- Applicant: Johannes Theodorus Nel , Wilhelmina Du Plessis , Philippus Lodewyk Crouse , Nelius Dempers Retief
- Applicant Address: ZA District Brits
- Assignee: The South African Nuclear Energy Corporation Limited
- Current Assignee: The South African Nuclear Energy Corporation Limited
- Current Assignee Address: ZA District Brits
- Agency: Finnegan, Henderson, Farabow, Garret & Dunner, LLP.
- Priority: ZA2009/05297 20090729
- International Application: PCT/IB2010/053448 WO 20100729
- International Announcement: WO2011/013085 WO 20110203
- Main IPC: C01B9/08
- IPC: C01B9/08 ; C01B33/08 ; C01G25/04
Abstract:
A process for treating a zirconia-based material comprises reacting, in a reaction step, the zirconia-based material with ammonium bifluoride, NH4F.HF. An ammonium fluorozirconic compound is produced.
Public/Granted literature
- US20130011329A1 TREATMENT OF ZIRCONIA-BASED MATERIAL WITH AMMONIUM BI-FLUORIDE Public/Granted day:2013-01-10
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