Milestone enables immediate production of SiN/PEEK custom devices SALT LAKE CITY, Utah, Dec. 01, 2025 (GLOBE NEWSWIRE) -- SINTX Technologies, Inc. (NASDAQ: SINT) (“SINTX” or the “Company”), an advanced ceramics and biomaterials company, today announced that it has signed a supply agreement with Evonik Corporation (“EVONIK”), a global leader in high‑performance polymers, to manufacture the Company's proprietary silicon nitride–PEEK compound (SiN/PEEK) (U.S. Patent No. 10,806,831) engineered for AI‑assisted additive manufacturing of patient‑specific implants that will be produced using equipment already in place at SINTX's U.S.-based production facility.