MUMBAI, India, May 29 -- Intellectual Property India has published a patent application (202641061491 A) filed by Indian Institute Of Technology, Hyderabad, Telangana, on May 14, for 'a lead-free zirconium-doped sodium bismuth titanate ceramic and a method of preparing thereof.'
Inventor(s) include Saket Asthana; Manish Kumar Niranjan; Shivam Gangwar; and Manish Saha.
The application for the patent was published on May 29, under issue no. 22/2026.
According to the abstract released by the Intellectual Property India: "The present subject matter discloses a method for producing a ceramic composition. The method includes drying a plurality of inorganic metal compounds to remove absorbed moisture from the plurality of inorganic metal compounds. The method includes mixing the dried plurality of inorganic metal compounds with an isopropyl alcohol (IPA) medium to produce a mixed powder. The mixed powder is ground manually for a first predetermined period of time. The method includes calcinating the mixed powder for a second predetermined period of time at a first predetermined temperature to produce a calcined powder. The method includes binding the calcined powder with Polyvinyl alcohol, wherein the calcined powder is compressed by applying a hydraulic pressure of a predetermined amount to produce one or more circular ceramic pellets. The method includes sintering the one or more circular ceramic pellets for a third predetermined period of time at a second predetermined temperature to produce a lead-free Zr-doped (NBT) ceramic."
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