Patent · US Active

Catalyst system for a multi-walled carbon nanotube production process

US7923615B2 · kind B2 · utility

36Cited by

4References

30Claims

0Family size

Assignee

NANOCYL SA · BE

Inventors

Ricardo Prada Silvy · Norman, US
Christophe Pirlot · Couvin, BE
Benedicte Culot · Jemeppe-sur-Sambre, BE

Key dates

Filing date	Aug 25, 2006
Grant date	Apr 12, 2011
Priority date	—
Expiry date	Sep 4, 2027

Classification

Technology area (CPC Y)Emerging Cross-Sectional Technologies
CPC primaryY10S977/842
WIPO fieldMaterials, metallurgy
WIPO sectorChemistry

Abstract

The present invention relates to a catalyst system for the selective conversion of hydrocarbons into multi-walled carbon nanotubes and hydrogen comprising a compound of the formula: (Ni,Co)FeyOz(Al2O3)w wherein ‘y’ represents the molar fraction of Fe relative to Co and Ni and wherein 0.11≦y≦9.0, 1.12≦z≦14.5, and 1.5≦w≦64.

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