MUMBAI, India, Sept. 28 -- Intellectual Property India has published a patent application (202531027560 A) filed by Bharat Heavy Electricals Limited on March 25, 2025, for A Lead-Free High-Temperature Glaze For Ceramic Tubes In Steel Casting.
Inventors include Dineshkumar Thiruselvam; Sulabh Agarwal; Thirupathi Govindaswamy; and Madhusoodana Chengala Damodara.
The application for the patent was published on September 25, 2026, under issue no. 39/2026.
Abstract: ABSTRACT “A LEAD-FREE HIGH-TEMPERATURE GLAZE FOR CERAMIC TUBES IN STEEL CASTING” The invention relates to a lead-free ceramic glaze composition for coating ceramic tubes in high-temperature molten steel casting applications. The composition includes 20-25% quartz, 30-35% feldspar,...