Method for preparing hollow structure
US11349112B2 · kind B2 · utility
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14Claims
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Key dates
| Filing date | Aug 28, 2018 |
| Grant date | May 31, 2022 |
| Priority date | — |
| Expiry date | Mar 24, 2040 |
Classification
- Technology area (CPC H)Electricity
- CPC primaryH01M2004/027
- WIPO fieldElectrical machinery, apparatus, energy
- WIPO sectorElectrical engineering
Abstract
A method for preparing a hollow structure, and more particularly, to a method for preparing a hollow structure having various stable structures by using polystyrene particles, into which a functional group is introduced, as a template for preparing the hollow structure.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.