Invention Grant
- Patent Title: Retroreflective article comprising embedded reflective layers
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Application No.: US15733032Application Date: 2018-10-25
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Publication No.: US11493674B2Publication Date: 2022-11-08
- Inventor: Kui Chen-Ho , Ann M. Gilman , Kevin W. Gotrik , Scott J. Jones , Daniel M. Lentz , Michael A. McCoy , Shri Niwas , Matthew S. Stay , Ramasubramani Kuduva Raman Thanumoorthy , Ying Xia
- Applicant: 3M INNOVATIVE PROPERTIES COMPANY
- Applicant Address: US MN St. Paul
- Assignee: 3M INNOVATIVE PROPERTIES COMPANY
- Current Assignee: 3M INNOVATIVE PROPERTIES COMPANY
- Current Assignee Address: US MN St. Paul
- Agent Kenneth B. Wood
- International Application: PCT/US2018/057561 WO 20181025
- International Announcement: WO2019/084302 WO 20190502
- Main IPC: G02B5/128
- IPC: G02B5/128 ; A41D31/32

Abstract:
A retroreflective article including a binder layer and a plurality of retroreflective elements. Each retroreflective element includes a transparent microsphere partially embedded in the binder layer. At least some of the retroreflective elements include a reflective layer that is embedded between the transparent microsphere and the binder layer. At least some of the embedded reflective layers are localized reflective layers.
Public/Granted literature
- US20200264349A1 RETROREFLECTIVE ARTICLE COMPRISING EMBEDDED REFLECTIVE LAYERS Public/Granted day:2020-08-20
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