Yinuowei applied for a patent for polyurethane sole resin to make the soles resistant to low temperature and dirt.

News on November 26, 2023, according to the announcement of the State Intellectual Property Office, Shandong Yinuowei Polyurethane Co., Ltd. applied for a project called “A low-temperature and stain-resistant polyurethane sole resin and its preparation “Methods and Applications”, publication number CN117106154A, application date is October 2023. The patent abstract shows that the present invention discloses…