Oil-in-water emulsions containing polyethylene

Claim 2

A stable oil-in-water emulsion sunscreen composition comprising from about 20% by weight to about 80% by weight water, from about 0.5% by weight to about 20% by weight oil-in-water emulsion forming surfactants, from about 0.5% by weight to about 30% by weight propylene glycol myristyl ether acetate, from about 0.2% by weight to about 5% by weight polyethylene, from about 0.5% by weight to about 30% by weight sunscreen agents, from about 0.5% by weight to about 10% by weight absorbents selected from the group consisting of aluminum starch octenyl succinate and nylon, from about 0.1% by weight to about 10% by weight humectants, 0% to about 25% by weight skin compatible non-silicone oils and hydrocarbons, and 0% to about 30% by weight silicone oils.

Claim 3

The composition according to claim 1 wherein the surfactants are selected from the group consisting of glyceryl stearate, polyethylene glycol-100 stearate, cetearyl alcohol, isosteaeric acid and the reaction product of stearic acid and triethanolamine.

Claim 4

The composition according to claim 1 further comprising up to about 5% by weight of thickeners.

Claim 5

The composition according to claim 1, in lotion form, consisting essentially of the following ingredients: ______________________________________ Weight Classification Ingredient Percent ______________________________________ esters propylene glycol 3.0 myristyl ether acetate coco-caprylate/caprate 2.0 humectants glycerin 4.5 silicone oils cyclomethicone 2.0 hydrocarbons and squalane 2.8 non-silicone oils mineral oil and lanolin 1.0 surfactants GMS/PEG - 100 stearate 2.0 (a blend of glyceryl stearate and polyethylene glycol-100 stearate) triethanolamine 0.3 stearic acid 0.5 cetyl alcohol 1.0 isostearic acid 2.5 thickeners carbomer-941 0.1 xanthan gum 0.1 sunscreen agents octyl methoxycinnamate 5.0 2 hydroxy 4 methoxybenzophenone 2.0 polyethylene polyethylene 617 1.0 preservatives imidazolidinyl urea 0.5 benzyl alcohol 0.5 propylparaben 0.15 methylparaben 0.3 water water remainder ______________________________________

Claim 6

A stable oil-in-water emulsion sunscreen composition comprising from about 45% by weight to about 80% by weight water, from about 3% by weight to about 15% by weight propylene glycol myristyl ether acetate, from about 2% by weight to about 12% by weight oil-in-water emulsion forming surfactants, from about 0.2% by weight to about 5% by weight polyethylene, from about 5% by weight to about 12% by weight sunscreen agents, from about 2% by weight to about 9% by weight humectants, from about 1% by weight to about 6% by weight silicone oils, from about 1% by weight to about 7% by weight skin compatible non-silicone oils and hydrocarbons, from about 0.1% by weight to about 3% by weight thickeners, and from about 1% by weight to about 7% by weight absorbents selected from the group consisting of aluminum starch octenyl succinate and nylon.

Claim 7

A stable oil-in-water emulsion sunscreen composition comprising from about 45% by weight to about 80% by weight water, from about 3% by weight to about 15% by weight propylene glycol myristyl ether acetate, from about 2% by weight to about 12% by weight oil-in-water emulsion forming surfactants, from about 0.2% by weight to about 5% by weight polyethylene, from about 5% by weight to about 12% by weight sunscreen agents, from about 2% by weight to about 9% by weight humectants, from about 1% by weight to about 6% by weight silicone oils, from about 1% by weight to about 7% by weight skin compatible non-silicone oils and hydrocarbons, from about 0.1% by weight to about 3% by weight thickeners, and from about 1% by weight to about 7% by weight absorbents selected from the group consisting of aluminum starch octenyl succinate and nylon.

Claim 8

The composition according to claim 5 further comprising from about 0.5% by weight to about 2% by weight preservatives.

Claim 9

The composition according to claim 5 wherein the skin compatible non-silicone oils and hydrocarbons are selected from the group consisting of squalane, mineral oil, lanolin and mixtures thereof.

Claim 10

The composition according to claim 5 in cream form consisting essentially of the following ingredients: ______________________________________ Weight Classification Ingredient Percent ______________________________________ esters diisopropyl adipate 2.0 cetyl octanoate 2.0 propylene glycol 3.0 myristyl ether acetate humectants butylene glycol 4.0 silicone oils cyclomethicone 2.5 dimethicone 0.2 hydrocarbons and jojoba oil 2.0 non-silicone oils surfactants GMS/PEG 100 stearate 2.0 stearic acid 3.0 cetearyl alcohol 0.5 cetyl alcohol 3.0 triethanolamine 0.3 thickeners carbomer 941 0.1 xanthan gum 0.2 sunscreen agents octyl methoxycinnamate 7.0 2 hydroxy 4 methoxybenzophenone 2.0 polyethylene polyethylene 617 1.0 preservatives methylparaben 0.3 ethyl paraben 0.15 imidazolidinyl urea 0.5 benzyl alcohol 0.6 water water remainder. ______________________________________

Claim 11

The composition according to claim 5 wherein the polyethylene has an average molecular weight of about 1500.