US Patent Application No: 2012/0196,244

Shaded Zirconium Oxide Articles

Stats

Aug 2, 2012
Publication date
Apr 3, 2012
filing date
13/437,998
serial no
Published
status

Importance

Loading Importance Indicators... loading....

Abstract

A dental article includes yttria stabilized tetragonal zirconia polycrystalline ceramic, and no more than about 0.15 wt. % of one or more coloring agents of one or more of: Pr, Tb, Cr, Nd, Co, oxides thereof, and combinations thereof, whereby the dental article is provided with a color corresponding to a natural tooth shade; and wherein the dental article has a flexural strength of at least about 800 MPa. Corresponding methods are also described.

Loading the Abstract Image... loading....

First Claim

loading....

Related Publications

Loading Related Publications... loading....

Patent Owner(s)

Patent Owner	Address	Total Patents
IVOCLAR VIVADENT AG	SCHAAN	171

International Classification(s)

[Classification Symbol]

[Patents Count]

Inventor(s)

Inventor Name	Address	# of filed Patents	Total Citations
Brodkin, Dmitri G	Livingston, NJ	12	13
Khan, Ajmal	Lansdale, PA	8	19
Panzera, Carlino	Hillsborough, NJ	65	859

Patent Citation Ranking

Forward Cites

No Forward Cites to Display

Maintenance Fees

Fee	Large entity fee	small entity fee	micro entity fee	due date
3.5 Year Payment	$1600.00	$800.00	$400.00	Feb 2, 2016
7.5 Year Payment	$3600.00	$1800.00	$900.00	Feb 2, 2020
11.5 Year Payment	$7400.00	$3700.00	$1850.00	Feb 2, 2024

Fee	Large entity fee	small entity fee	micro entity fee
Surcharge - 3.5 year - Late payment within 6 months	$160.00	$80.00	$40.00
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