ALEXANDRIA, Va., March 5 -- United States Patent no. 12,240,934, issued on March 4, was assigned to ZEON Corp. (Tokyo).
"Method for producing hydrocarbon resin hydride" was invented by Yasushi Hisaoka (Tokyo) and Yoshifumi Maruyama (Tokyo).
According to the abstract* released by the U.S. Patent & Trademark Office: "Provided is a method for producing a hydrocarbon resin hydride, comprising: hydrogenating a hydrocarbon resin by bringing the hydrocarbon resin into contact with hydrogen in the presence of an antioxidative compound and a hydrogenation catalyst, the antioxidative compound being at least one selected from the group consisting of hindered phenolic antioxidants and antioxidants having a 2,2,6,6-tetraalkyl-4-piperidyl group."
The ...