Patent · US Active

Process for the preparation of graphene

US9139439B2 · kind B2 · utility

1Cited by
2References
15Claims
0Family size

Assignee

Inventors

Key dates

Filing dateMar 1, 2012
Grant dateSep 22, 2015
Priority date
Expiry dateMar 1, 2032

Classification

  • Technology area (CPC Y)Emerging Cross-Sectional Technologies
  • CPC primaryY10T428/2982
  • WIPO fieldMaterials, metallurgy
  • WIPO sectorChemistry

Abstract

The present invention provides a process for the preparation of graphene or graphene-like fragments of another layered structure, said process comprising the step of mixing and grinding graphite or said other layered structure with at least one ionic liquid. The invention also provides the use of grinding in ionic liquids in such a process and products formed or formable by such methods.

Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.