Invention Grant
- Patent Title: Dry erase article
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Application No.: US16484518Application Date: 2018-02-19
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Publication No.: US10787589B2Publication Date: 2020-09-29
- Inventor: Naiyong Jing , Jun Ma , Erika Saffer , David M. Mahli , Gezahegn D. Damte
- 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 Eric E. Silverman
- International Application: PCT/IB2018/050817 WO 20180219
- International Announcement: WO2018/150308 WO 20180823
- Main IPC: B43L1/00
- IPC: B43L1/00 ; C09D135/02 ; C08F220/34 ; C08F222/10 ; C09D5/00 ; C09D133/14

Abstract:
Dry erase articles are described comprising a writable surface layer comprising a cured hardcoat composition comprising the reaction product of certain low surface energy compound(s). In one embodiment, the compound(s) comprise a C18-C36 hydrocarbon group and an ethylenically unsaturated group. In another embodiment, a mixture of compounds is utilized, the mixture comprising first compounds comprising a C18-C36 hydrocarbon group and an ethylenically unsaturated group and second compounds comprising a C8-C17 hydrocarbon group and an ethylenically unsaturated group, wherein the first and second compound are present at a weight ratio of 3:2 to 4:1.
Public/Granted literature
- US20200002564A1 Dry Erase Article Public/Granted day:2020-01-02
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