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• 15 United States
• 10 France
• 8 Japan
• 7 China
• 5 Korea
• 2 Other

Patent Owner(s)

Patent Owner	Address
THE SOUTH AFRICAN NUCLEAR ENERGY CORPORATION LIMITED	PELINDABA DISTRICT BRITS

International Classification(s)

• C01B:NON-METALLIC ELEMENTS; COMPOUNDS THEREOF
• C01G:COMPOUNDS CONTAINING METALS NOT COVERED BY SUBCLAS....

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• [Patents Count]

Inventor(s)

Inventor Name	Address	# of filed Patents	Total Citations
Crouse, Philippus Lodewyk	Pretoria, ZA	3	3
Du, Plessis Wilhelmina	Centurion, ZA	3	1
Nel, Johannes Theodorus	Kempton Park, ZA	6	3
Retief, Willem Liebenberg	Eldoraigne, ZA	3	1

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Maintenance Fees

Fee	Large entity fee	small entity fee	micro entity fee	due date
11.5 Year Payment	$7400.00	$3700.00	$1850.00	Jan 15, 2026

Fee	Large entity fee	small entity fee	micro entity fee
Surcharge - 11.5 year - Late payment within 6 months	$160.00	$80.00	$40.00
Surcharge after expiration - Late payment is unavoidable	$700.00	$350.00	$175.00
Surcharge after expiration - Late payment is unintentional	$1,640.00	$820.00	$410.00

DATE PUBLISHED	PUBLICATION/PATENT NO.	PUBLICATION TYPE
July 15, 2014	US,8778291,B2   US8778291B2	GRANTED PATENT AS SECOND PUBLICATION
January 10, 2013	US,20130011329,A1   US20130011329A1	FIRST PUBLISHED PATENT APPLICATION

Full Text

US Patent No: 8778291

Treatment of zirconia-based material with ammonium bi-fluoride

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