US Patent Issued to SHENZHEN THOUSANDSHORES TECHNOLOGY on Nov. 18 for "Marker inks and methods for preparing thereof" (Chinese Inventors)

ALEXANDRIA, Va., Nov. 18 -- United States Patent no. 12,473,444, issued on Nov. 18, was assigned to SHENZHEN THOUSANDSHORES TECHNOLOGY Co. LTD. (Shenzhen, China).

"Marker inks and methods for preparing thereof" was invented by Ding He (Shenzhen, China), Zhi Liu (Shenzhen, China), Xufeng Yang (Shenzhen, China), Dengwu Wu (Shenzhen, China) and Guohui Yang (Shenzhen, China).

According to the abstract* released by the U.S. Patent & Trademark Office: "Embodiments of the present disclosure provide a marker ink and a method for preparing thereof. The marker ink comprises a water-based acrylic resin, a pigment paste, a cross-linking agent, and water. A mean diameter of a pigment in the pigment paste is less than 150 nm."

The patent was filed on ...