IP Library › Granted Patent US 8,696,954
Granted Patent B2
US 8,696,954 · App. 12/950,997 · Granted Apr 15, 2014

Method, system, and composition for coloring ceramics

Inventor: Asami Tanaka (Skokie, IL)
Assignee: Tanaka Dental Products
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Quick Facts
Patent No.
US 8,696,954
App. No.
12/950,997
Granted
Apr 15, 2014
Kind
B2
Abstract

A system, method and composition for coloring dental ceramics. The system, method, and composition resulting in natural color matching without drying time between color layers. The system, method and composition also resulting in good color preparation on restorations of about 0.001 mm-1.000 mm thickness.

Claims (12)

1. A process for coloring Zirconia dental ceramics which comprises:

providing a pre-sintered zirconia dental ceramic restoration;

applying a coloring solution, the coloring solution comprising cobalt 2-ethyl hexanoate, iron 2-ethyl hexanoate, and chromium 2-ethyl hexanoate; and a phyto-oil;

said coloring solution capable of penetration into the zirconia dental ceramic restoration;

said coloring solution imparting a color to said dental ceramic restoration without the need to use opaque mask layers;

said coloring solution imparting a color to said dental ceramic restoration without the need to use mask layers of body porcelains.

2. The process of claim 1 wherein the phyto-oil is D-Limonene.

3. A process for coloring dental ceramics which comprises:

providing a pre-sintered Zirconia dental ceramic restoration;

applying a coloring solution, the coloring solution comprising cobalt 2-ethyl hexanoate, iron 2-ethyl hexanoate, and chromium 2-ethyl hexanoate, and mineral spirits;

said coloring solution imparting a color to said dental ceramic restoration without the need to use opaque mask layers;

said coloring solution imparting a color to said dental ceramic restoration without the need to use mask layers of body porcelains.

Assignments (1)
ASSIGNMENT OF ASSIGNOR'S INTEREST Recorded Jul 2, 2012
From: TANAKA, ASAMI
To: TANAKA DENTAL PRODUCTS
Reel/Frame 028476/0594 →
Continuity (2)
Provisional Application 61353035 · Jun 9, 2010
Related Publication 20110306017A1 · Dec 15, 2011