ALEXANDRIA, Va., June 9 -- United States Patent no. 12,649,855, issued on June 9, was assigned to LIXIL Corp. (Tokyo) and NIPPON PAINT AUTOMOTIVE COATINGS Co. LTD. (Osaka, Japan).

"Hydrophilic treatment coating composition and a hydrophilic treatment method" was invented by Yoshihito Okumura (Tokyo), Yusuke Nakashima (Tokyo), Kazuki Yoshioka (Tokyo), Takahito Nakase (Tokyo), Yusuke Sato (Tokyo), Hirotsugu Mano (Hirakata, Japan), Yugo Takemoto (Hirakata, Japan) and Kiyoe Maejima (Hirakata, Japan).

According to the abstract* released by the U.S. Patent & Trademark Office: "Provided is a hydrophilic treatment coating composition which imparts a soil guard property and is superior in durability of soil guard performance. Provided is a hydroph...