Granted Patent B2

US 9,636,284 · App. 12/751,096 · Granted May 2, 2017

Abstract

Claims (32)

1. An oral composition comprising:

a surfactant system, comprising :

i. at least one alkyl polyglucoside surfactant;

ii. at least one anionic surfactant; and

iii. at least one amphoteric surfactant;

at least one suspending agent selected from the group consisting of high

acyl gellan gum and microcrystalline cellulose; and

an orally acceptable liquid carrier,

wherein the composition has a pH of from about 4.0 to 8.0 and contains less than 0.01% of bioavailability affecting compounds selected from the group consisting of chemically unmodified clays, water soluble calcium salts, water soluble magnesium salts, water soluble aluminum salts, carbonate salts and mixtures thereof, and wherein said composition has a first viscosity of less than 2000 centipoise at a shear rate of 10s −1 .

2. The composition of claim 1 , wherein foams generated by the composition using a foam generation and screening test have a bubble size distribution such that for each 0.005 grams of foam, at least about 80 bubbles have a diameter of less than about 50 microns.

3. The composition of claim 2 , wherein the bubble size distribution is such that at least about 125 bubbles have a diameter of less than about 50 microns.

4. The composition of claim 1 , further comprising a foam enhancing agent.

5. The composition of claim 4 , wherein the foam enhancing agent is selected from the group consisting of natural seaweed extract, natural seed gum, natural plant exudates, natural plant extracts, natural fiber extracts, biosynthetic gums, gelatins, biosynthetic process starch or cellulosic materials, alginates, carrageenans, guar, locust, tara, arabic gum, ghatti gum, agar gum, pectin, salts thereof, and mixtures thereof.

6. The composition of claim 5 , wherein the foam enhancing agent is selected from the group consisting of alginates, carrageenans, salts thereof and mixtures thereof.

7. The composition of claim 5 , wherein the foam enhancing agent is carrageenan.

8. The composition of claim 1 , wherein the anionic surfactant is selected from the group consisting of sarcosine surfactants; taurates; alkyl sulfates; sodium lauryl sulfoacetate; sodium lauroyl isethionate; sodium laureth carboxylate;

sodium dodecyl benzenesulfonate and mixtures thereof.

9. The composition of claim 8 , wherein the anionic surfactant is a sarcosine surfactant.

10. The composition of claim 1 , wherein the amphoteric surfactant is selected from the group consisting of alkylimino-diproprionates, alkylamphoglycinates (mono or di), alkylamphoproprionates (mono or di), alkylamphoacetates (mono or di), N-alkyl β-aminoproprionic acids, alkylpolyamino carboxylates, phosphorylated imidazolines, alkyl betaines, alkylamido betaines, alkylamidopropyl betaines, alkyl sultaines, alkylamido sultaines, and mixtures thereof.

11. The composition of claim 1 , wherein the amphoteric surfactant is an alkylamidopropyl betaine.

12. The composition of claim 1 wherein the composition further has the following physical properties:

i. a tan delta of less than about 1 at frequencies 0.1 to 100 rads −1 ; and

ii. a second viscosity of less than about 1000 centipoise at a shear rate of 100s −1

and wherein foams generated by the composition using a foam generation and screening test have a bubble size distribution such that for each 0.005 grams of the foam occupying an area of 25mm×75mm×1.270mm, at least 90% of the bubbles have a diameter of less than 50 microns.

13. The composition of claim 12 , further comprising an insoluble particulate.

14. The composition of claim 13 , wherein the insoluble particulate is a dentally acceptable abrasive.

15. The composition of claim 1 wherein said surfactant system comprises at least one alkyl polyglucoside surfactant, at least one anionic surfactant selected from the group consisting of sarcosine surfactants; taurates; alkyl sulfates; sodium lauryl sulfoacetate; sodium lauroyl isethionate; sodium laureth carboxylate; sodium dodecyl benzenesulfonate and mixtures thereof; and at least one alkylamidopropyl betaine.

16. The composition of claim 5 wherein said surfactant system comprises at least one alkyl polyglucoside surfactant, at least one anionic surfactant selected from the group consisting of sarcosine surfactants; taurates; alkyl sulfates; sodium lauryl sulfoacetate; sodium lauroyl isethionate; sodium laureth carboxylate; sodium dodecyl benzenesulfonate and mixtures thereof; and at least one alkylamidopropyl betaine.

17. The composition of claim 12 wherein said surfactant system comprises at least one alkyl polyglucoside surfactant, at least one anionic surfactant selected from the group consisting of sarcosine surfactants; taurates; alkyl sulfates; sodium lauryl sulfoacetate; sodium lauroyl isethionate; sodium laureth carboxylate; sodium dodecyl benzenesulfonate and mixtures thereof; and at least one alkylamidopropyl betaine and said composition further comprises a foam enhancing agent selected from the group consisting of natural seaweed extract, natural seed gum, natural plant exudates, natural plant extracts, natural fiber extracts, biosynthetic gums, gelatins, biosynthetic process starch or cellulosic materials, alginates, carrageenans, guar, locust, tara, arabic gum, ghatti gum, agar gum, pectin, salts thereof, and mixtures thereof.

18. The composition of claim 1 wherein said surfactant system is present in an amount of from about 0.2% to about 2.5% by weight of the composition.

19. The composition of claim 15 wherein said surfactant system is present in an amount of from about 0.2% to about 2.5% by weight of the composition.

20. The composition of claim 19 wherein said composition comprises from about 0.05% to about 0.5% by weight of the composition of said suspending agent.

Assignments (8)