USPTO issues patent for nanotube-based transparent electrodes; Unidym licenses from Clemson

September 13, 2007 — Unidym, Inc., a majority-owned subsidiary of Arrowhead Research Corp., announced that U.S. Patent No. 7,265,174 has been issued by the U.S. Patent and Trademark Office. With respect to transparent conductive films, Clemson University has exclusively licensed this patent to Unidym.

Unidym develops and manufactures carbon nanotubes for applications in the electronics industry. Unidym, which recently merged with Carbon Nanotechnologies, Inc. (CNI), possesses a foundational patent portfolio that, according to the company, “covers nearly every aspect of carbon nanotube manufacturing and processing.”

U.S. Patent No. 7,265,174 includes composition of matter claims covering nanotube-based films that are electrically conductive and at least 80% optically transparent. It is the latest addition to Unidym’s extensive patent portfolio on carbon nanotechnology, now numbering over 70 issued U.S. Patents.

“The issued patent covers products that Unidym is currently developing for the touch screen, flat panel display, solar cell and solid state lighting markets,” stated Art Swift, President and CEO of Unidym. “With its March 22, 2001 priority date, this patent predates any similar composition of matter claim that we know of.”

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