Liquid oral components
Patent Information
- Authority / Receiving Office
- JP · JP
- Patent Type
- Applications
- Current Assignee / Owner
- DAIICHI SANKYO HEALTHCARE
- Filing Date
- 2026-03-18
- Publication Date
- 2026-06-23
Smart Images
Figure 2026102807000001 
Figure 2026102807000002 
Figure 2026102807000003
Abstract
Claims
1. A liquid oral composition containing a water-soluble copper salt and a water-soluble aluminum salt.
2. The liquid oral composition according to claim 1, wherein the water-soluble copper salt is one or more selected from the group consisting of copper gluconate, copper sulfate, copper citrate, copper chlorophyll, and sodium copper chlorophyllin.
3. The liquid oral composition according to claim 1 or 2, wherein the water-soluble copper salt is copper gluconate.
4. The liquid oral composition according to any one of claims 1 to 3, wherein the water-soluble aluminum salt is an aluminum salt of an organic acid.
5. The liquid oral composition according to any one of claims 1 to 3, wherein the water-soluble aluminum salt is one or more selected from the group consisting of aluminum lactate, potassium aluminum sulfate, aluminum sulfate, aluminum nitrate, aluminum chloride, aluminum benzoate, and allantoin chlorohydroxyaluminum.
6. The liquid oral composition according to any one of claims 1 to 5, wherein the water-soluble aluminum salt is aluminum lactate.
7. A liquid oral composition according to any one of claims 1 to 6, comprising copper gluconate and aluminum lactate.
8. The copper gluconate content is 0.01% by mass or more and 0.2% by mass or less relative to the entire liquid oral composition. The liquid oral composition according to claim 7, wherein the content of aluminum lactate is 0.01% by mass or more and 3% by mass or less of the total liquid oral composition.
9. The liquid oral composition according to any one of claims 1 to 8, wherein the content of the water-soluble aluminum salt relative to the content of the water-soluble copper salt in the liquid oral composition is 0.25 or more and 300 or less by mass ratio.
10. A liquid oral composition according to any one of claims 1 to 9, which is a tongue discoloration inhibitor.
11. A liquid oral composition according to any one of claims 1 to 9, which is an oral mucosal discoloration inhibitor.
12. A liquid oral composition according to any one of claims 1 to 11, which is a mouthwash.
13. A method for inhibiting tooth discoloration, comprising applying a composition containing a water-soluble copper salt and a water-soluble aluminum salt to the oral cavity.