Eraser
US11241907B2 · kind B2 · utility
0Cited by
4References
7Claims
0Family size
Assignee
Inventor
Key dates
| Filing date | Jul 5, 2017 |
| Grant date | Feb 8, 2022 |
| Priority date | — |
| Expiry date | May 27, 2038 |
Classification
- Technology area (CPC C)Chemistry; Metallurgy
- CPC primaryC09D9/04
- WIPO fieldBasic materials chemistry
- WIPO sectorChemistry
Abstract
An eraser for removing strokes of writing, painting and/or drawing implements, including at least one binder and at least one plasticizer, wherein the at least one plasticizer is a polyol ester.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.