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US 2006/0135475 A1Published application
Process for preparing an alpha-lipoic acid/cyclodextrin complex and product prepared
AssigneeWacker Chemie AG
InventorsHelmut Reuscher, Mark Bauer
Life of this patent
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Abstract
The invention relates to a process for the preparation of a cyclodextrin/alpha-lipoic acid complex, wherein in a first step, an alpha-lipoic acid and a cyclodextrin are dissolved in an aqueous alkaline solution having a pH above pH 7, and in a second step an acid is added to lower the pH of the solution to a pH below pH 7.
Claims17
A process for the preparation of a cyclodextrin/alpha-lipoic acid complex, comprising, in a first step, dissolving alpha-lipoic acid and a cyclodextrin in an aqueous alkaline solution having a pH above pH 7, and in a second step adding an acid to lower the pH of the solution to a pH below pH 7.
Dependencies are inferred from the claim text.