Dentifrice containing functional film flakes

• US 6,669,929 B1
• Filed: 12/30/2002
• Issued: 12/30/2003
• Est. Priority Date: 12/30/2002
• Status: Expired due to Term

• Current Assignee: Colgate-Palmolive Company
• Original Assignee: Colgate-Palmolive Company
• Inventors: Xu, Guofeng, Carale, M. Teresa R., Boyd, Thomas J.
• Primary Examiner(s): Rose, Shep K.
• Application Number:
  US10/331,312
• Time in Patent Office: 365 Days
• Field of Search: 427/49-58
• US Class Current: 424/49
• CPC Class Codes: A61K 2800/262 Transparent; Translucent
• CPC Class Codes: A61K 2800/594 Mixtures of polymers
• CPC Class Codes: A61K 2800/621 by inorganic compounds
• CPC Class Codes: A61K 2800/651 The particulate/core comprising inorganic material
• CPC Class Codes: A61K 8/0266 Characterized by the sequence of layers
• CPC Class Codes: A61K 8/0283 Matrix particles
• CPC Class Codes: A61K 8/042 Gels
• CPC Class Codes: A61K 8/731 Cellulose; Quaternized cellulose derivatives
• CPC Class Codes: A61K 8/732 Starch; Amylose; Amylopectin; Derivatives thereof
• CPC Class Codes: A61Q 11/00 Preparations for care of the teeth, of the oral cavity or of dentures; Dentifrices, e.g. toothpastes; Mouth rinses

Abstract

A dentifrice composition comprising an orally acceptable vehicle having distributed therein a water hydratable film flakes having a matrix comprised of a water soluble hydroxy alkyl cellulose polymer and a starch, and having entrained therein a constituent selected from therapeutic cosmetic and decorative materials.

Claims

1. A dentifrice composition comprising an orally acceptable vehicle which a transparent clear gel dentifrice comprising a polishing agent, surfactant, a thickening or gelling agent and humectant in an aqueous vehicle, said clear gel dentifrice containing an aesthetically shaped decorative film flake matrix comprising (A) titanium coated mica, and admixtures of (A) with (B) polyethylene powder colored with F. D &

C dyes; and

/or (C) F. D. &

C certified food color additive colorants, dyes, pigments, and lakes, and (D) mixtures of (A) (B) and (C), said decorative film flake matrix being aesthetically shaped to appeal to consumers and to their children when visible in said transparent substantially clear gel dentifrice, said decorative film flake matrix being formed from a dried film matrix of F. D &

C certified food color additive colorant, a water soluble hydroxyalkyl cellulose polymer and a starch, said dried film then being cut or punched into various attractive shapes, including hearts, stars, diamonds, and circles, said shaped flakes having a particle size of 0.01 to 0.50 inches.

2. A dentifrice according to claim 1 wherein the film flake matrix has further entrained therein a cosmetic constituent.

3. A dentifrice according to claim 1 wherein the film flake matrix has further entrained therein a therapeutic constituent.

4. The dentifrice according to claim 1 in which the film flake matrix comprises from about 0.05 to about 1.0% by weight of the dentifrice.

5. The dentifrice of claim 3 wherein the therapeutic constituent further entrained in the film flake matrix is an antibacterial agent.

6. The dentifrice of claim 3 wherein the therapeutic constituent further entrained in the film flake matrix is a calcium or fluoride salt.

7. The dentifrice of claim 4 wherein the cosmetic constituent further entrained in the film flake matrix is a flavorant.

8. The dentifrice of claim 7 wherein the flavorant is present in the film flake matrix at a concentration of about 15 to about 25% by weight.