US Patent Issued to UNIST(ULSAN NATIONAL INSTITUTE OF SCIENCE AND TECHNOLOGY) on March 24 for "Polymer carbon nitride, specific crystal form of said polymer carbon nitride, and ultraviolet ray-blocking use thereof" (South Korean Inventors)

ALEXANDRIA, Va., March 24 -- United States Patent no. 12,582,594, issued on March 24, was assigned to UNIST(ULSAN NATIONAL INSTITUTE OF SCIENCE AND TECHNOLOGY) (Ulsan, South Korea).

"Polymer carbon nitride, specific crystal form of said polymer carbon nitride, and ultraviolet ray-blocking use thereof" was invented by Ji Wook Jang (Ulsan, South Korea), Jae Sung Lee (Ulsan, South Korea) and Woo Jin Byun (Ulsan, South Korea).

According to the abstract* released by the U.S. Patent & Trademark Office: "The present invention relates to a polymer carbon nitride, a specific crystal form of the polymer carbon nitride, and a cosmetic composition, an ultraviolet ray-blocking composition, and an external use skin preparation composition, which includ...