Erasable writing compositions
US12097722B2 · kind B2 · utility
0Cited by
19References
28Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Dec 14, 2017 |
| Grant date | Sep 24, 2024 |
| Priority date | — |
| Expiry date | Dec 15, 2039 |
Classification
- Technology area (CPC C)Chemistry; Metallurgy
- CPC primaryC09D13/00
- WIPO fieldBasic materials chemistry
- WIPO sectorChemistry
Abstract
A thermoplastic writing composition includes at least one particulate filler including one or more of days, silicates, or carbonates, at least one thermoplastic binder material including one or more of high density polyethylene, polypropylene, and styrene, one or more waxes chosen from soy wax, paraffin wax, and beeswax, at least one colorant, and optionally, at least one surfactant.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.