ALEXANDRIA, Va., Jan. 12 -- United States Patent no. 7,867,469, issued on Jan. 11, was assigned to International Business Machines Corp. (Armonk, N.Y.).
"Complexes of Carbon Nanotubes and Fullerenes with Molecular-Clips and Use Thereof" was invented by Ali Afzali-Ardakani (Ossining, N.Y.), Cherie R. Kagan (Ossining, N.Y.) and Rudolf Tromp (North Salem, N.Y.).
According to the abstract released by the U.S. Patent & Trademark Office: "Separation of carbon nanotubes or fullerenes according to diameter through non-covalent pi-pi interaction with molecular clips is provided. Molecular clips are prepared by Diels-Alder reaction of polyacenes with a variety of dienophiles. The pi-pi complexes of carbon nanotubes with molecular clips are also used for selective placement of carbon nanotubes and fullerenes on substrates."
The patent was filed on May 10, 2010, under Application No. 12/776,861.
For further information please visit: http://patft.uspto.gov/netacgi/nph-Parser?Sect1=PTO2&Sect2=HITOFF&p=1&u=%2Fnetahtml%2FPTO%2Fsearch-bool.html&r=1&f=G&l=50&co1=AND&d=PTXT&s1=7867469&OS=7867469&RS=7867469
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