US Patent Issued to TOYOTA MOTOR, Regents of the University of Minnesota on Aug. 4 for "Coatings containing polymer modified enzyme for stable self-cleaning of organic stains" (American, Japanese, German Inventors)

ALEXANDRIA, Va., Aug. 5 -- United States Patent no. 12,698,417, issued on Aug. 4, was assigned to TOYOTA MOTOR Corp. (Toyota, Japan) and Regents of the University of Minnesota (Minneapolis).

"Coatings containing polymer modified enzyme for stable self-cleaning of organic stains" was invented by Hongfei Jia (Ann Arbor, Mich.), Ping Wang (North Oaks, Minn.), Liting Zhang (St. Paul, Minn.), Andreas Buthe (Steinfurt, Germany), Xueyan Zhao (Circle Pines, Minn.), Songtao Wu (Ann Arbor, Mich.), Masahiko Ishii (Okazaki City, Japan) and Minjuan Zhang (Ann Arbor, Mich.).

According to the abstract* released by the U.S. Patent & Trademark Office: "A process of stabilizing the activity of an enzyme against inactivation by water weathering are provided...