IP Library › Granted Patent US 9,220,673
Granted Patent B2
US 9,220,673 · App. 14/292,095 · Granted Dec 29, 2015

Surface-treated calcium phosphate particles suitable for oral care and dental compositions

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Quick Facts
Patent No.
US 9,220,673
App. No.
14/292,095
Granted
Dec 29, 2015
Kind
B2
Abstract

Calcium phosphate particles are described comprising a surface treatment wherein the surface treatment comprises at least one sugar alcohol. Also described are various oral care compositions comprising surface treated calcium phosphate particles and methods of surface treating calcium phosphate particles.

Claims (5)

1. Calcium phosphate particles comprising a surface treatment wherein the surface treatment comprises at least one sugar alcohol, wherein the calcium phosphate particle comprises 0.05% to 20% by weight of the at least one sugar alcohol, and wherein the calcium phosphate particles are in a dry powder form.

2. The calcium phosphate particles of claim 1 wherein the calcium phosphate comprises tricalcium phosphate.

3. An oral care composition comprising the surface treated calcium phosphate particles of claim 1 and a fluoride-providing agent.

4. A hardenable dental composition comprising a hardenable material and the surface treated calcium phosphate particles of claim 1 .

5. The calcium phosphate particles of claim 1 , wherein the calcium phosphate particles have a particle diameter no greater than 25 microns.

Assignments (1)
ASSIGNMENT OF ASSIGNOR'S INTEREST Recorded Feb 1, 2024
From: 3M INNOVATIVE PROPERTIES COMPANY
To: SOLVENTUM INTELLECTUAL PROPERTIES COMPANY
Reel/Frame 066435/0654 →