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US Patent 11433157 Absorbent article

Patent 11433157 was granted and assigned to Unicharm Corporation on September, 2022 by the United States Patent and Trademark Office.

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Patent
Patent

Patent attributes

Patent Applicant
Unicharm Corporation
Unicharm Corporation
Current Assignee
Unicharm Corporation
Unicharm Corporation
Patent Jurisdiction
United States Patent and Trademark Office
United States Patent and Trademark Office
Patent Number
11433157
Patent Inventor Names
Hideaki Ichiura0
Koichi Yamaki0
Takayoshi Konishi0
Date of Patent
September 6, 2022
Patent Application Number
16446020
Date Filed
June 19, 2019
Patent Primary Examiner
‌
Catharine L Anderson
CPC Code
‌
A61F 2013/53481
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A61F 2013/530313
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A61F 2013/530321
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A61L 15/18
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A61L 15/22
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A61L 15/62
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A61F 2013/51433
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A61F 2013/1526

An absorbent article may include a top sheet that is liquid-permeable, a back sheet that is liquid-impermeable, and an absorbent body situated between the top sheet and the back sheet in a thickness direction. At least one of the top sheet and the back sheet may include a synthetic resin sheet that includes a synthetic resin component and an oxidative decomposer comprising a mixture of a carboxylate and a rare earth compound. The synthetic resin sheet may contain the oxidative decomposer in a mass ratio such that a decomposition rate index (D

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