Method and system using small molecule absorbers to create a photothermal actuator
US12398702B2 · kind B2 · utility
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20Claims
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Key dates
| Filing date | Apr 17, 2023 |
| Grant date | Aug 26, 2025 |
| Priority date | — |
| Expiry date | Jan 26, 2044 |
Classification
- Technology area (CPC F)Mechanical Engineering; Lighting; Heating
- CPC primaryF03G7/016
- WIPO fieldEngines, pumps, turbines
- WIPO sectorMechanical engineering
Abstract
A photon-activated substance is disclosed, which includes a phase change material and a photon activated substance. The photon activated substance can be at least one of (2,6,6-Tetramethylpiperidin-1-yl)oxyl (TEMPO), azobenzene (AZOB), 4-Nitro-4-dimethylaminoazobenzene, Lumogen orange 240, and guaiazulene (GAZ).
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.