美國
US 12,697,601 B2
Water-absorbing resin, absorber, and absorbent article
US 12,697,601 B2 是美國專利商標局（USPTO）的核准專利，日期 2026-08-04。申請人：SUMITOMO SEIKA CHEMICALS CO., LTD.。PDF 可在本頁下載，未登入每天最多 5 篇。
- 申請人
- SUMITOMO SEIKA CHEMICALS CO., LTD.
- 發明人
- Shota MORISHIMA
- 公開日
- 2026-08-04
- 申請日
- 2023-04-18
- 文件種類
- B2 核准公告
- 也寫作
- US 12,697,601 B2 · US12697601 · 12697601
摘要
Provided is a water-absorbing resin with which the enzyme activity of a urease that generates ammonia from urea can be inhibited and a pH increase on the surface of an absorbent article, which causes skin rashes or the like, can be suppressed. This water-absorbing resin has an oxidation-reduction potential of a swollen gel of at least 260 mV, as measured by the following oxidation-reduction potential measuring method. (Oxidation-reduction potential measuring method) 60 mL of ion exchange water having an oxidation-reduction potential of 390±10 mV is added to a beaker.…
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專利局網站： 美國專利商標局（USPTO）