| Altairnano believes its strong patent portfolio is a key strategic strength in its nanotech market leadership. The company continues to rapidly expand its position with new filings and new patent awards.
US Patents Awarded:
- Centrifugel Jig (US patent 5,938,043; issued August 17, 1999)
- Processing Titaniferous Ore to Titanium Dioxide Pigment (US patent 6,375,923; issued April 23, 2002)
- Processing Aqueous Titanium Chloride Solutions to Ultrafine Titanium Dioxide (US Patent 6,440,383; issued August 2, 2002)
- Processing Aqueous Titanium Solutions to Titanium Dioxide Pigment. (US Patent 6,548,039; issued April 15, 2003)
- Production of Catalyst Structures. (US Patent 6,689,716; issued February 10, 2004)
- Process for making nano-sized Stabilized Zirconia (allowed March 3, 2005)
- Process for making nano-sized and sub-micron sized lithium transition metal oxides (US Patent 6,881,393; April 19, 2005)
- Process for making Lithium Titanate (US Patent 6,890,510; issued May 10, 2005)
- In addition 23 Foreign patents have been granted.
Patents Filed:
Eleven additional US patents and 47 Foreign patents have been filed covering a range of processes and methods for producing a variety of metal, mixed-metal oxides and catalyst structures.
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