IP Library › Granted Patent US 9,795,546
Granted Patent B2
US 9,795,546 · App. 15/024,886 · Granted Oct 24, 2017

Composition for bleaching tooth

Inventors: Jae Hyun Sim (Paju, KR); Bong Kyu Choi (Seoul, KR)
Assignee: DENT-WHITE CO., LTD.
A61K8/29A61K8/0216A61K8/0241A61K8/22A61Q11/00A61K2800/412A61K2800/413
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Quick Facts
Patent No.
US 9,795,546
App. No.
15/024,886
Granted
Oct 24, 2017
Kind
B2
Abstract

Provided is a composition for bleaching tooth. The composition for bleaching tooth of the present invention includes rutile type titanium dioxide, peroxide, and water. The composition for bleaching tooth of the present invention exhibits a superior bleaching effect, compared to commercially available bleaching compositions.

Claims (4)

1. A composition for bleaching tooth, comprising rutile titanium dioxide (TiO 2 ) having an average particle size of 50 to 180 nm and a purity of 97% or higher, peroxide, and water.

2. The composition of claim 1 , wherein the titanium dioxide is included in an amount of 0.01 to 5% by weight, based on the total weight of the composition.

3. The composition of claim 1 , wherein the peroxide is one or more selected from the group consisting of hydrogen peroxide, perborate, percarbonate, perphosphate, persulfate, calcium peroxide, magnesium peroxide, and carbamide peroxide.

4. The composition of claim 1 , wherein the peroxide is included in an amount of 3 to 45% by weight, based on the total weight of the composition.

Assignments (2)
CHANGE OF NAME Recorded Dec 7, 2017
From: DENT-WHITE CO., LTD.
To: QUORUM BIO CO., LTD.
Reel/Frame 044749/0365 →
ASSIGNMENT OF ASSIGNOR'S INTEREST Recorded Mar 25, 2016
From: SIM, JAE HYUN; CHOI, BONG KYU
To: DENT-WHITE CO., LTD.
Reel/Frame 038099/0213 →
Priority Claims (1)
KR 10-2013-0115257 · Sep 27, 2013 · national
Continuity (1)
Related Publication 20160220460A1 · Aug 4, 2016