Granted Patent B2

US 8,557,260 · App. 12/640,235 · Granted Oct 15, 2013

Abstract

Claims (24)

1. A composition comprising a blend of cycloalkylmethicones comprising at least two different cycloalkylmethicones having general formula I:

where R 1 is a hydrocarbon radical containing about 2 to about 4 carbon atoms;

R 2 , R 3 , R 4 , R 5 , and R 6 are independently selected from the group consisting of a hydrocarbon radical containing about 1 to about 4 carbon atoms;

a is a positive number between 0<a<5;

b and c are independently selected from 0 to 5 wherein (a+b+c)≦5; and

wherein the rates of evaporation of the composition as measured in accordance with standard DIN 53249 test is from about 80% to about 99% by weight loss in about 200 to about 6000 minutes, wherein the composition is a cosmetic composition and wherein the blend of cycloalkylmethicones comprises from 0.1 to 99.0 percent by weight of the composition.

2. The composition of claim 1 wherein the cycloalkylmethicones are selected from the group consisting of 1,3,5-triethyl-1,3,5- trimethylcyclotrisiloxane, 1,3,5,7- tetraethyl-1,3,5,7-tetramethylcyclotetrasiloxane, 1,3,5,trimethyl-1,3,5-tripropylcyclotrisiloxane and 1,3,5 ,7-tetramethyl-1,3,5,7-tetrapropylcyclotetrasiloxane.

3. The composition of claim 1 comprising a blend of 1,3,5-triethyl-1,3,5-trimethylcyclotrisiloxane, 1,3,5,7-tetraethyl-1,3,5,7-tetramethylcyclotetrasiloxane.

4. The composition of claim 1 comprising a blend of from 45 weight percent to 91.1 weight percent of 1,3,5-triethyl-1,3,5-trimethylcyclotrisiloxane and from 8.9 weight percent to 55 weight percent of 1,3,5,7-tetraethyl-1,3,5,7-tetramethylcyclotetrasiloxane.

5. The composition of claim 1 comprising a blend of 1,3,5,trimethyl-1,3,5-tripropylcyclotrisiloxane and 1,3,5,7-tetramethyl-1,3,5,7-tetrapropylcyclotetrasiloxane.

6. The composition of claim 1 comprising a blend of 75 weight percent to 80 weight percent of 1,3,5,trimethyl-1,3,5-tripropylcyclotrisiloxane and 20 weight percent to 25 weight percent of 1,3,5,7-tetramethyl-1,3,5,7-tetrapropylcyclotetrasiloxane.

7. The composition of claim 1 wherein the blend of cycloalkylmethicones comprises from 0.5 to 60.0 percent by weight of the composition.

8. The composition of claim 1 wherein the blend of cycloalkylmethicones comprises from 1.0 to 40.0 percent by weight of the composition.

9. The composition of claim 1 wherein said composition is an aqueous emulsion where the discontinuous phase comprises water and the continuous phase comprises the blend of cycloalkylmethicones.

10. The composition of claim 1 wherein said composition is an aqueous emulsion where the discontinuous phase comprises the blend of cycloalkylmethicones and the continuous phase comprises water.

11. The composition of claim 1 comprising a non-aqueous organic hydroxylic solvent selected from the group consisting of alcohols, glycols, polyhydric alcohols, polymeric glycols and mixtures thereof, said non-aqueous organic hydroxylic solvents being liquid at ambient conditions.

12. The composition of claim 11 wherein said composition is a non-aqueous emulsion where the discontinuous phase comprises the non-aqueous hydroxylic organic solvent and the continuous phase comprises the blend of cycloalkylmethicones.

13. The composition of claim 11 wherein said composition is a non-aqueous emulsion where the discontinuous phase comprises the blend of cycloalkylmethicones and the continuous phase comprises the non-aqueous hydroxylic organic solvent.

14. The composition of claim 1 comprised in deodorants, antiperspirants, antiperspirant/deodorants, shaving products, skin lotions, moisturizers, toners, bath products, cleansing products, shampoos, conditioners, mousses, styling gels, hair sprays, hair dyes, hair color products, hair bleaches, waving products, hair straighteners, nail polish, nail polish remover, nails creams and lotions, cuticle softeners, sunscreen, insect repellent and anti-aging products, lipsticks, foundations, face powders, eye liners, eye shadows, blushes, makeup, mascaras or drug delivery systems for topical application of medicinal compositions that are to be applied to the skin.

15. The composition of claim 1 further comprising one or more of emollients, moisturizers, humectants, pigments, bismuth oxychloride, titanium dioxide coated mica, colorants, fragrances, biocides, preservatives, antioxidants, anti-microbial agents, anti-fungal agents, antiperspirant agents, exfoliants, hormones, enzymes, medicinal compounds, vitamins, salts, electrolytes, alcohols, polyols, absorbing agents for ultraviolet radiation, botanical extracts, surfactants, silicone oils, organic oils, waxes, film formers, thickening agents, talc, kaolin, starch, modified starch, nylon, bentonite and organo-modified clays.

16. The composition of claim 1 further comprising an antiperspirant agent selected from the group consisting of aluminum halides, aluminum hydroxyhalides, and complexes or mixtures thereof with zirconyl oxyhalides and zirconyl hydroxyhalides.

17. The composition of claim 1 further comprising one or more skin care component selected from the group consisting of triglyceride esters, wax esters, alkyl or alkenyl esters of fatty acids or polyhydric alcohol esters, pigments, Vitamin A, Vitamin C, Vitamin E, titanium dioxide, zinc oxide, oxybenzone, octylmethoxy cinnamate, butylmethoxy dibenzoylm ethane, p-aminobenzoic acid and octyl dimethyl-p-aminobenzoic acid.

18. The composition of claim 1 further comprising a volatile component selected from the group consisting of dodecamethylcyclohexasiloxane decamethylcyclotetrasiloxane, octamethylcylcosiloxane, isododecane, 3-ethyl-1,1,1,3,5,5,5-heptamethyltrisiloxane, isohexadecane, capryl methicone, ethyl alcohol, hexamethyldisiloxane, isobutene, and linear low molecular weight silicones.

19. The composition of claim 1 wherein the rate of evaporation of the composition as measured in accordance with standard DIN 53249 test is from about 80% to about 99% by weight loss in about 200 to about 500 minutes.

Assignments (18)