Patent · US Expired

Expandable graphite and method

US6149972A · kind A · utility

13Cited by
6References
13Claims
0Family size

Assignee

Inventor

Key dates

Filing dateJan 29, 1998
Grant dateNov 21, 2000
Priority date
Expiry dateJan 29, 2018

Classification

  • Technology area (CPC C)Chemistry; Metallurgy
  • CPC primaryC09K2200/0208
  • WIPO fieldBasic materials chemistry
  • WIPO sectorChemistry

Abstract

Intercalated graphite flake which has enhanced exfoliation volume characteristics at relatively low exfoliation temperatures e.g. 600.degree. C. is made by heating a blend of intercalated particles and an organic reducing agent in the temperature range of 25.degree. to 110.degree. C.

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