Patent · US Active

Multistage reactors for continuous production of carbon nanotubes

US7993594B2 · kind B2 · utility

30Cited by

2References

25Claims

0Family size

Assignee

TSINGHUA UNIVERSITY · CN

Inventors

Fei Wei · Beijing, CN
Yi-Lin Liu · Beijing, CN
Weizhong Qian · Beijing, CN
Guohua Luo · Foshan, CN

Key dates

Filing date	Apr 18, 2008
Grant date	Aug 9, 2011
Priority date	—
Expiry date	Jun 12, 2028

Classification

Technology area (CPC Y)Emerging Cross-Sectional Technologies
CPC primaryY10S977/843
WIPO fieldChemical engineering
WIPO sectorChemistry

Abstract

The present application provides multistage and multilayer reactors useful for the efficient and continuous production of carbon nanotubes and methods of using the apparatus in the preparation of carbon nanotubes. In one aspect, the multistage reactors include an array of interconnected fluidized-bed reactors. The multilayer reactors include a plurality of reaction zones.

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