Patent · US Active

Method for preparing hollow structure

US11349112B2 · kind B2 · utility

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14Claims
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Assignee

Inventors

Key dates

Filing dateAug 28, 2018
Grant dateMay 31, 2022
Priority date
Expiry dateMar 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.