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Last Updated: December 12, 2025

Claims for Patent: 4,386,104

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Summary for Patent: 4,386,104

Title:	Process for the treatment of acne
Abstract:	There is disclosed a composition for the treatment of acne, hyperpigmentary dermatoses or skin hyperpigmentation which contains dicarboxylic acids containing 7 to 13 carbon atoms or certain derivatives thereof that contain reducing functional group or a salt thereof. There are also disclosed methods for preparing mercapto derivatives of these dicarboxylic acids.
Inventor(s):	Marcella Nazzaro-Porro
Assignee:	Bayer Pharma AG
Application Number:	US06/278,720
Patent Claims:

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