Topical acne vulgairs medication with a sunscreen
AssigneeDow Pharmaceutical Sciences, Inc.
InventorsArturo Angel, David W. Osborne, Gordon J. Dow
Life of this patent
Estimating the term…
Abstract
Increased compliance in the use of topical sunscreens is obtained by combining a topical sunscreen agent in a formulation containing an antibacterial medication such as azelaic acid or an antibiotic.
Claims42
A photostable, chemically stable, and physically stable formulation for topical application to the skin for treating acne vulgaris and protecting skin from harmful effects of chronic exposure to the sun comprising a vehicle, one or more sunscreen agents dissolved or suspended in the vehicle, which sunscreen agent is selected from the group consisting of titanium dioxide, zinc oxide, bisoctrizole, anisotriazine, para-aminobenzoic acid (PABA) and derivatives, anthranilates, benzophenones, cinnamates, salicylates, camphor derivatives, benzene 1,4-di(3-methylidene-10-camphosulfonic) acid, drometriazole trisiloxane, and dibenzoylmethanes, and an antibiotic medication of the macrolide or lincomycin family that is effective in treating or reducing the signs of acne vulgaris, which antibiotic medication is dissolved or suspended in the vehicle.
A method for making a photostable, chemically stable, and physically stable formulation for topical application to the skin for concomitantly treating acne vulgaris and protecting skin from harmful effects of chronic exposure to the sun comprising dissolving or suspending in a vehicle one or more sunscreen agents selected from the group consisting of titanium dioxide, zinc oxide, bisoctrizole, anisotriazine, para-aminobenzoic acid (PABA) and derivatives, anthranilates, benzophenones, cinnamates, salicylates, camphor derivatives, benzene 1,4-di(3-methylidene-10-camphosulfonic) acid, drometriazole trisiloxane, and dibenzoylmethanes, and dissolving or suspending in the vehicle an antibiotic medication of the macrolide or lincomycin family that is effective in treating or reducing the signs of acne vulgaris.
A method for concomitantly treating, preventing, or reducing the signs of acne vulgaris and protecting skin from ultraviolet radiation comprising applying to the skin a photostable, chemically stable, and physically stable formulation comprising a vehicle, one or more sunscreen agents dissolved or suspended in the vehicle, which sunscreen agent is selected from the group consisting of titanium dioxide, zinc oxide, bisoctrizole, anisotriazine, para-aminobenzoic acid (PABA) and derivatives, anthranilates, benzophenones, cinnamates, salicylates, camphor derivatives, benzene 1,4-di(3-methylidene-10-camphosulfonic) acid, drometriazole trisiloxane, and dibenzoylmethanes, and an antibiotic medication of the macrolide or lincomycin family that is effective in treating or reducing the signs of acne vulgaris, which antibiotic medication is dissolved or suspended in the vehicle.
Dependencies are inferred from the claim text.