Invention Grant
- Patent Title: Exposed-lens retroreflective article comprising color layers comprising bi-layer structures
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Application No.: US15733030Application Date: 2018-10-25
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Publication No.: US11280942B2Publication Date: 2022-03-22
- Inventor: Daniel J. Schmidt , Matthew S. Stay , Michael A. McCoy , Kui Chen-Ho , Richard S. Buckanin
- 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/US2018/057544 WO 20181025
- International Announcement: WO2019/084287 WO 20190502
- Main IPC: G02B5/128
- IPC: G02B5/128 ; A41D13/01
Abstract:
An exposed-lens 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 comprise at least one color layer comprising a bi-layer structure.
Public/Granted literature
- US20200264348A1 Exposed-Lens Retroreflective Article Comprising Color Layers Comprising Bi-Layer Structures Public/Granted day:2020-08-20
Information query
