Invention Grant
- Patent Title: Micro-needle sheet for reducing wrinkles
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Application No.: US15516215Application Date: 2015-11-13
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Publication No.: US11097086B2Publication Date: 2021-08-24
- Inventor: Shu Liu , Kazuyuki Ohnishi
- Applicant: L'OREAL
- Applicant Address: FR Paris
- Assignee: L'OREAL
- Current Assignee: L'OREAL
- Current Assignee Address: FR Paris
- Agency: The Marbury Law Group, PLLC
- Priority: JPJP2014-231306 20141114
- International Application: PCT/JP2015/082633 WO 20151113
- International Announcement: WO2016/076442 WO 20160519
- Main IPC: A61M37/00
- IPC: A61M37/00 ; A61K8/73 ; A61K8/81 ; A61Q19/08 ; A61K9/00 ; A61K47/36 ; A61K47/32 ; A61K8/85 ; A45D44/22 ; A61K8/86 ; B29C39/02 ; B29K33/00 ; B29K71/00 ; B29K105/00 ; B29L31/00
Abstract:
The present invention relates to a microneedle comprising a plurality of portions, wherein the plurality of portions comprise a distal end portion and a proximal end portion, at least two of the plurality of portions are made of different polymers, and the distal end portion is made of at least one polymer with high swellability and high viscoelasticity.
Public/Granted literature
- US20170304602A1 MICRO-NEEDLE SHEET FOR REDUCING WRINKLES Public/Granted day:2017-10-26
Information query
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