Invention Grant
- Patent Title: Hydrogel composition
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Application No.: US15539728Application Date: 2015-12-24
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Publication No.: US10660829B2Publication Date: 2020-05-26
- Inventor: Kenichi Kakinuki
- Applicant: KAO CORPORATION
- Applicant Address: JP Tokyo
- Assignee: KAO CORPORATION
- Current Assignee: KAO CORPORATION
- Current Assignee Address: JP Tokyo
- Agency: Oblon, McClelland, Maier & Neustadt, L.L.P.
- Priority: com.zzzhc.datahub.patent.etl.us.BibliographicData$PriorityClaim@296819dc
- International Application: PCT/JP2015/086099 WO 20151224
- International Announcement: WO2016/104644 WO 20160630
- Main IPC: A61K9/00
- IPC: A61K9/00 ; A61K8/04 ; A61Q19/00 ; A61K8/73 ; A61K8/81 ; A61F7/02

Abstract:
The present invention relates to a hydrogel composition having excellent gel stability while exerting excellent feeling of use. That is, the present invention relates to a hydrogel composition comprising components (A) to (D) below: (A) water in an amount of 50 mass % or more and 90 mass % or less; (B) an anionic water-soluble polymer compound comprising 80 mass % or more of carboxymethylcellulose or a salt thereof; (C) a crosslinking agent that forms ionic crosslinking with an anionic functional group; and (D) a nonionic water-soluble polymer compound, in an amount of 2.5 mass % or more and 8 mass % or less, represented by formula (1) below:
Public/Granted literature
- US20180000698A1 HYDROGEL COMPOSITION Public/Granted day:2018-01-04
Information query