Feb. 3, 2003 — Altair Nanotechnologies Inc. received a patent related to its process for producing pigment-grade, titanium-dioxide containing solutions.

The patent, Altair’s third, offers environmental advantages over existing processes for making the pigments, which are used in fuel cells, batteries, thermal coatings, chemical catalysts and environmental cleanups, according to a news release. Altair said it has filed 12 other patents developed on the foundation of its three issued patents.