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US 12,594,190 B2Granted
Nonwoven wound dressings and method of making thereof
AssigneeSolventum Intellectual Properties Company
InventorsBryan A. Baker, Caleb T. Nelson, Steven P. Swanson
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Abstract
An article. The article includes a nonwoven having a pH value from 2 to 6; wherein the article is a wound dressing.
Claims8
A method of making an article, comprising
- providing a nonwoven;
- reducing pH value of the nonwoven by a first plasma treatment comprising introducing at atmospheric pressure an input gas comprising oxygen, nitrogen, and water vapor;
- and
- treating the nonwoven with a second plasma treatment after the first plasma treatment, wherein the second plasma treatment comprises introducing an oxygen plasma at sub atmospheric pressure;
- wherein the article is a wound dressing comprising the nonwoven.
2 more elements
Dependencies are inferred from the claim text.