US Patent Issued to SHENZHEN XIN MAO XIN INDUSTRIAL on Jan. 13 for "Rare earth-based electrolytic coloring method, electrolyte, and alloy product" (Chinese Inventors)

ALEXANDRIA, Va., Jan. 13 -- United States Patent no. 12,522,938, issued on Jan. 13, was assigned to SHENZHEN XIN MAO XIN INDUSTRIAL Co. LTD. (Shenzhen, China).

"Rare earth-based electrolytic coloring method, electrolyte, and alloy product" was invented by Qiuhua Liu (Guangdong, China), Huailiang Zhang (Guangdong, China) and Hekai Zheng (Guangdong, China).

According to the abstract* released by the U.S. Patent & Trademark Office: "A rare earth-based electrolytic coloring method, electrolyte, and alloy product are provided, where the method includes: after an oxide film is formed on a workpiece subjected to anodic oxidation in the electrolyte, rapidly increasing a voltage, and by using a constant-voltage mode, breaking down, melting, sinter...