MUMBAI, India, Oct. 5 -- Intellectual Property India has published a patent application (202541029435 A) filed by Titan Company Limited on March 27, 2025, for A Gold Alloy.
Inventors include Dr. Laxmidhar Biswal; Dr. Shuvam Mandal; Dr. Arabinda Meher; Dr. Goutam Mandal; and Mr. Sivakumar Nallathambi.
The application for the patent was published on October 02, 2026, under issue no. 40/2026.
Abstract: ABSTRACT “A GOLD ALLOY” The present disclosure discloses a gold alloy. The gold alloy includes a composition of gold at 58.5 wt.%, copper from 25 to 35 wt.%, silver from 4 to 8 wt.%, zinc from 2 to 8 wt.%, germanium from 0.1 to 0.6 wt.%, palladium from 0.1 to 0.5 wt.%, silicon from 0.01 to 0.05 wt.%, indium from 0 to 0.6 wt.%, and cobalt from 0 to 0.5 wt.%, having a tarnish resistance properties with enhanced yellow coloured appearance. In another embodiment, the gold alloy includes a composition of gold at 58.5 wt.%, copper from 35 to 40 wt.%, silver from 1 to 5 wt.%, indium from 0.1 to 0.8 wt.%, germanium from 0.1 to 0.6 wt.%, palladium from 0.1 to 0.5 wt.%, silicon up to 0.05 wt.%, and cobalt up to 0.3 wt.%, having a rose coloured appearance. The gold alloy exhibits tarnish resistance properties. Figure 1 is a representative figure
Disclaimer: Curated by HT Syndication.
