US Patent Issued to NISSAN CHEMICAL on Aug. 4 for "Method for producing polymer" (Japanese Inventors)

ALEXANDRIA, Va., Aug. 5 -- United States Patent no. 12,698,361, issued on Aug. 4, was assigned to NISSAN CHEMICAL Corp. (Tokyo).

"Method for producing polymer" was invented by Yuto Hashimoto (Toyama, Japan), Shun Kubodera (Toyama, Japan), Shigetaka Otagiri (Toyama, Japan), Satoshi Kamibayashi (Toyama, Japan), Tokio Nishita (Toyama, Japan), Yuichi Goto (Toyama, Japan), Yasunobu Someya (Toyama, Japan) and Yuki Endo (Toyama, Japan).

According to the abstract* released by the U.S. Patent & Trademark Office: "Provided is a method for producing a polymer, comprising: a first step for synthesizing a crude polymer by reacting a monomer containing a pyrimidinetrione structure, an imidazolidinedione structure, or a triazinetrione structure, in an o...