The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.
The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.
Patent No.:
Date of Patent:
Mar. 26, 2013
Filed:
Jan. 09, 2012
Applicants:
Alexander P. Moravsky, Tucson, AZ (US);
Raouf O. Loutfy, Tucson, AZ (US);
Inventors:
Alexander P. Moravsky, Tucson, AZ (US);
Raouf O. Loutfy, Tucson, AZ (US);
Assignee:
Materials and Electrochemical Research Corporation, Tuscon, AZ (US);
Primary Examiner:
Int. Cl.
CPC ...
C01B 31/26 (2006.01);
U.S. Cl.
CPC ...
Abstract
The present invention relates to fullerene carbon nanotubes having a cylindrical wall comprising a double layer of carbon atoms and methods for the production and application of these double-wall carbon nanotubes; and, more particularly, to nanotubes with controlled number of carbon layers and methods for the production of macroscopic amounts of these nanotubes and there application as cathode materials in the cold field electron emission devices, notable such devices comprising light emitting CRT's.