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US 11,529,433 B2Granted
Biotechnologically-produced cellulose-containing article for dermatological use
AssigneeJenacell GmbH
InventorNadine Hessler
Life of this patent
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Abstract
A cellulose-containing article for treating an area of skin, wherein the article comprises BNC in an amount of at least 1% by weight and at most 15% by weight, comprises fluid in an amount of at least 85% by weight and at most 99% by weight, has an average thickness of at least 0.5 mm and at most 8 mm, wherein the BNC is of microbial origin.
Claims23
A method of manufacturing an article containing biotechnologically produced nanostructured cellulose (BNC), comprising:
- providing a BNC non-woven in a continuous semi-static process, including producing BNC from a bacterial culture in a cultivation medium, and
- providing the article,
- the article comprising BNC of microbial origin in an amount of at least 1% by weight and at most 15% by weight;
- and fluid in an amount of at least 85% by weight and at most 99% by weight;
- and
- wherein the article comprises carbonyl groups in an amount of less than 8.0 μmol/g.
3 more elements
Dependencies are inferred from the claim text.