Intematix Corporation announced that the United States Patent and Trademark Office (USPTO) has issued a notice of allowance for claims on its patent covering red nitride phosphor compositions used in LEDs. Intematix expects issuance of the patent by the end of 2012. Intematix’s patent application number 12/632,550, entitled “Nitride-based Red Phosphors” is expected to be the 18th U.S. patent issued to Intematix in the area of LED phosphors and the 71st U.S Patent overall.   “Our novel chemical formulation lowers the concentratio...