Invention Grant
- Patent Title: Dry erase inks and associated writing instruments
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Application No.: US17763514Application Date: 2020-09-29
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Publication No.: US11753558B2Publication Date: 2023-09-12
- Inventor: Wing Sum Vincent Kwan
- Applicant: Sanford L.P.
- Applicant Address: US GA Atlanta
- Assignee: SANFORD, L.P.
- Current Assignee: SANFORD, L.P.
- Current Assignee Address: US GA Atlanta
- Agency: EVERSHEDS SUTHERLAND (US) LLP
- International Application: PCT/US2020/053272 2020.09.29
- International Announcement: WO2021/067267A 2021.04.08
- Date entered country: 2022-03-24
- Main IPC: C09D11/17
- IPC: C09D11/17 ; C09D11/16 ; B43K8/00
Abstract:
Dry erase ink formulations containing a resin, a pre-assembled colorant, and a solvent, wherein the dry erase ink formulation has a surface tension of at least 25 dynes per centimeter, and writing instruments including a dry erase ink formulation are provided herein.
Public/Granted literature
- US20220372313A1 DRY ERASE INKS AND ASSOCIATED WRITING INSTRUMENTS Public/Granted day:2022-11-24
Information query
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