US Patent 7338915 - Conductive SWNT rope

http://www.freepatentsonline.com/7338915.html

This is one of a series of basic SWNT patents from Rice (with priority going back to 1995) and focuses on the metallic variety of single walled carbon nanotubes formed in relative abundance using a dual laser pulse method. Claim 1 reads:

1. A rope of single-wall carbon nanotubes having 50 to 5000 single-wall carbon nanotubes of which greater than 10% are (10, 10) single-wall carbon nanotubes.