Dry erase ink with improved drying time
US11970623B2 · kind B2 · utility
0Cited by
0References
20Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Apr 16, 2018 |
| Grant date | Apr 30, 2024 |
| Priority date | — |
| Expiry date | Feb 26, 2041 |
Classification
- Technology area (CPC B)Performing Operations; Transporting
- CPC primaryB43K8/022
- WIPO fieldBasic materials chemistry
- WIPO sectorChemistry
Abstract
A dry erase ink for a writing instrument. The dry erase ink includes, as the main organic solvent, a solvent selected from the group consisting of n-propyl acetate, isopropyl acetate, or mixtures thereof.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.