New U.S. Patent reinforces competitive advantage and enables broader licensing and product opportunities across key markets SALT LAKE CITY, Utah, Oct. 16, 2025 (GLOBE NEWSWIRE) -- SINTX Technologies, Inc. (NASDAQ: SINT) (“SINTX” or the “Company”), an advanced ceramics innovator specializing in biomedical applications of silicon nitride (Si₃N₄), today announced that the United States Patent and Trademark Office (USPTO) has issued a Notice of Allowance for a patent application containing method claims coverin ...