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Biopharmex Holding Limited
| Biopharmex Holding Limited Patent applications | ||
| Patent application number | Title | Published |
|---|---|---|
| 20100183724 | Hydrogel of Chitosan Carboxyalkylamide, Preparation Thereof and Cosmetic and Dermatological Use Thereof - The present invention relates to a hydrogel of chitosan carboxyalkylamide, characterised in that it has a pH value close to that of the skin, comprised between 6.5 and 7.2, and in that the chitosan carboxy-alkylamide is constituted by 40 to 90 mole % of D-glucosamine N-carboxyalkylamide units of formula (I) | 07-22-2010 |