ALEXANDRIA, Va., Dec. 31 -- United States Patent no. 12,509,605, issued on Dec. 30, was assigned to SAKATA INX Corp. (Osaka, Japan).
"Active energy ray-curable inkjet printing ink composition" was invented by Okinori Nakashima (Osaka, Japan), Takuya Myose (Osaka, Japan) and Jun Kawabata (Osaka, Japan).
According to the abstract* released by the U.S. Patent & Trademark Office: "An active energy ray-curable inkjet printing ink composition satisfies requirements A to D below: A: an amine-modified oligomer is contained by 1.0 to 20.0% by mass in all active energy ray-polymerizable components; B: alkoxy group-containing (meth)acrylates are contained by 2.0 to 20.0% by mass in all active energy ray-polymerizable components; C: a (meth)acrylate ...