Bismuth oxychloride compositions and methods of rinsing
View Patent ↗A rinse-off composition comprising in percent by weight 0.10–10.00 of a dispersion of bismuth oxychloride 3.50–90.00 of a surfactant, 0.001–0.050 of a dye, 3.00–15.00 of an emollient and 10.00–80.00 of water; said dispersion of bismuth oxychloride containing bismuth oxychloride platelet particles having a lateral width of 5–25 microns and a thickness of 20–200 nm, said platelet particles being substantially covered a liquid vehicle and said liquid vehicle being present in an amount sufficient to maintain a stable dispersion and to provide for facile resuspension.
1. A rinse-off composition comprising in percent by weight 0.10–10.00 of a dispersion of bismuth oxychloride, 3.50–90.00 of a surfactant, 0.001–0.050 of a dye, 3.00–15.00 of an emollient and 10.00–80.00 of water; said dispersion of bismuth oxychioride comprising bismuth oxychloride platelet particles having a lateral width of 5–25 microns and a thickness of 20–200 nm, said platelet particles being substantially covered by a liquid vehicle and said liquid vehicle being present in an amount sufficient to maintain a stable dispersion and to provide for a facile resuspension.
2. A rinse-off composition according to claim 1 , wherein said liquid vehicle is present in the dispersion in a concentration of about 10–80% by weight.
3. A rinse-off composition according to claim 1 , wherein the liquid vehicle is present in the dispersion in a concentration of about 20–40% by weight.
4. A rinse-off composition according to claim 3 , wherein the lateral width of the bismuth oxychloride platelet particles is 10–15 microns and the thickness of said platelet particles is 40–80 nm.
5. A rinse-off composition according to claim 4 , wherein the bismuth oxychloride is present in the dispersion in a concentration of about 70% by weight and the liquid vehicle is present in the dispersion in a concentration of about 30% by weight.
6. A rinse-off composition according to claim 1 , wherein the liquid vehicle comprises octyl-hydroxy stearate.
7. A rinse-off composition according to claim 1 , comprising in percent by weight 0.50–2.00 of a dispersion of bismuth oxychloride, 40.00–65.00 surfactant, 0.005–0.20 of dye, 2.00–8.00 of emollient, and 15.00–40.00 of water.
8. A rinse-off composition according to claim 1 , wherein said liquid vehicle has properties of viscosity, emolliency, suspension ability, low oxidation potential, pale color and clarity equivalent to octyl-hydroxy stearate, and is slower evaporating than water, has a boiling point greater than 150° C., is lipophilic, and is liquid at room temperature.
9. A rinse-off composition according to claim 7 , wherein said liquid vehicle has properties of viscosity, emoillency, suspension ability, low oxidation potential, pale color and clarity equivalent to octyl-hydroxy stearate, and is slower evaporating than water, has a boiling point greater than 150° C., is lipophilic and is liquid at room temperature.
10. A rinse-off composition according to claim 2 , wherein the liquid vehicle comprises octyl-hydroxy stearate.
11. A rinse-off composition according to claim 3 , wherein the liquid vehicle comprises octyl-hydroxy stearate.
12. A rinse-off composition according to claim 4 , wherein the liquid vehicle comprises octyl-hydroxy stearate.
13. A rinse-off composition according to claim 1 , wherein said surfactant comprises a combination of anionic surfactant and amphoteric surfactant and said emollient comprises silicone fluids.
14. A rinse-off composition according to claim 4 , wherein said surfactant comprises a combination of anionic surfactant and amphoteric surfactant and said emollient comprises silicone fluids.
15. A rinse-off composition according to claim 6 , wherein said surfactant comprises a combination of anionic surfactant and amphoteric surfactant and said emollient comprises silicone fluids.
16. A rinse-off composition according to claim 7 , wherein the liquid vehicle consists essentially of octyl hydroxystearate.
17. A rinse-off composition according to claim 15 , and wherein the liquid vehicle consists essentially of octyl hydroxysterate.