Quantum dot oil-based ink and pattern recognition system
US12297366B2 · kind B2 · utility
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16Claims
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Key dates
| Filing date | Nov 29, 2022 |
| Grant date | May 13, 2025 |
| Priority date | — |
| Expiry date | Jul 25, 2043 |
Classification
- Technology area (CPC B)Performing Operations; Transporting
- CPC primaryB82Y40/00
- WIPO fieldBasic materials chemistry
- WIPO sectorChemistry
Abstract
A quantum dot oil-based ink is provided. The quantum dot oil-based ink includes a quantum dot material, a dispersing solvent, a viscosity modifier, and a surface tension modifying solution. The dispersing solvent includes a linear alkane having 6 to 14 carbon atoms. The viscosity modifier includes an aromatic hydrocarbon having 10 to 18 carbon atoms or a linear olefin having 16 to 20 carbon atoms. The surface tension modifying solution includes a hydrophobic polymer material and a nonpolar solvent.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.