Multi-functional, stimuli-responsive materials, methods of preparation, methods of use, and uses thereof
US11104647B2 · kind B2 · utility
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16Claims
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Key dates
| Filing date | Aug 20, 2019 |
| Grant date | Aug 31, 2021 |
| Priority date | — |
| Expiry date | Aug 20, 2039 |
Classification
- Technology area (CPC H)Electricity
- CPC primaryH01B1/128
- WIPO fieldMeasurement
- WIPO sectorInstruments
Abstract
A multi-functional, stimuli-responsive material includes a substrate functionalized with a pH-sensitive Azo-QPS compound or co-assemblies containing Azo-QPS compounds. The Azo-QPS compound includes a positively-charged phenyl-azo-pyridinium core, an anion affiliated with the core, a head group, a tail group, a surface bonding group coupling the pH-sensitive Azo-QPS compound to the substrate, and a spacer connecting the pH-sensitive Azo-QPS compound to the surface bonding group.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.