Transdermal therapeutic patches containing 4-N-butylresorcinol
AssigneeBeiersdorf AG
InventorsKarl-Heinz Woeller, Ludger Kolbe, Cathrin Scherner, Rainer Wolber
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Abstract
Transdermal therapeutic systems that contain 4-n-butylresorcinol as an active ingredient.
Claims19
A transdermal therapeutic patch, wherein the patch consists of a self-adhesive transdermal matrix system having a layer thickness of from 0.15 mm to 0.75 mm on a carrier material selected from woven fabrics, non-woven fabrics and polymer films, and wherein the matrix system comprises, as the only matrix, a matrix selected from nonpolar polyisobutylene matrices, the said matrix contains 4-n-butylresorcinol as therapeutic ingredient in a concentration of from 1% to 10% by weight, based on a total weight of the matrix system.
A transdermal therapeutic patch, wherein the patch consists of a self-adhesive transdermal matrix system having a layer thickness of from 0.15 mm to 1.00 mm on a carrier material selected from woven fabrics, non-woven fabrics and polymer films, and wherein the matrix system comprises, as the only matrix, a matrix selected from polar agar agar/polyacrylic acid water gel matrices, the said matrix contains 4-n-butylresorcinol as therapeutic ingredient in a concentration of from 1% to 10% by weight, based on a total weight of the matrix system.
Dependencies are inferred from the claim text.