Granted Patent
Utility
US 6,752,977 · App. 10/068,907
Process for purifying single-wall carbon nanotubes and compositions thereof
Inventors:
Richard E. Smalley, Robert H. Hauge, Wan-Ting Chiang
Patented Case
View Patent ↗
Granted: Jun 22, 2004
Filed: Feb 8, 2002
Inventors
Richard E. Smalley
Robert H. Hauge
Wan-Ting Chiang
Assignee (at issue)
William Marsh Rice University
This patent predates the USPTO's electronic file wrapper — prosecution documents from this era exist only in the Patent Office's paper records. A certified copy of the file history can be ordered from the USPTO's paper archives.