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

Patent Owner(s)

Patent Owner	Address
IVOCLAR VIVADENT AG	BENDERERSTRASSE 2 SCHAAN 9494

International Classification(s)

• C03C:CHEMICAL COMPOSITION OF GLASSES, GLAZES, OR VITREO....
• C03B:MANUFACTURE OR SHAPING OF GLASS, OR OF MINERAL OR ....
• A61C:DENTISTRY; APPARATUS OR METHODS FOR ORAL OR DENTAL....

• [Classification Symbol]

• [Patents Count]

Inventor(s)

Inventor Name	Address	# of filed Patents	Total Citations
Apel, Elke	Oberschan, CH	37	972
Höland, Wolfram	Schaan, LI	68	485
Rheinberger, Volker	Vaduz, LI	164	3327
Ritzberger, Christian	Grabs, CH	122	1234

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Maintenance Fees

Fee	Large entity fee	small entity fee	micro entity fee	due date
7.5 Year Payment	$3600.00	$1800.00	$900.00	Jul 30, 2025
11.5 Year Payment	$7400.00	$3700.00	$1850.00	Jul 30, 2029

Fee	Large entity fee	small entity fee	micro entity fee
Surcharge - 7.5 year - Late payment within 6 months	$160.00	$80.00	$40.00
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
January 30, 2018	US,9878939,B2   US9878939B2	GRANTED PATENT AS SECOND PUBLICATION
October 22, 2015	US,20150299031,A1   US20150299031A1	FIRST PUBLISHED PATENT APPLICATION

Full Text

US Patent No: 9878939

Lithium silicate glass ceramic and glass with monovalent metal oxide

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