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Absorbent Articles Having Antimicrobial Properties and Methods of Manufacturing the Same:

U.S. Patent No. 10,864,123

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By: Karen McIntyre

Editor, Nonwovens Industry

Min Yao, Vernon Hills, IL; Daniel B. Love, Libertyville, IL; Amin Setoodeh, Kildeer, IL; and Debashish Chakravarthy, Vernon Hills, IL.
Assigned to Medline Industries, Inc., Mundelein, IL.

Filed: 1/3/17
Issued: 12/15/20

A method of manufacturing an absorbent article comprising: forming a moisture-impervious outer layer; forming an inner layer including an at least one antimicrobial booster, the at least one antimicrobial booster being mixed throughout the material of the inner layer, the at least one antimicrobial booster including two or more 1,2-alkanediols; treating a quantity of fibrous material with at least one antimicrobial agent, the at least one antimicrobial agent including polyhexamethylene biguanide; forming an absorbent layer from the fibrous material; interposing the absorbent layer between the outer layer and the inner layer; and joining the inner layer, the absorbent layer, and the outer layer to form the absorbent article, wherein the at least one antimicrobial booster is configured to synergistically combine with the at least one antimicrobial agent when moisture is introduced into the article during use to achieve a microbe kill rate that is greater than the microbe kill rate achievable by the at least one antimicrobial booster or the at least one antimicrobial agent individually.

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