ALEXANDRIA, Va., Feb. 17 -- United States Patent no. 12,552,948, issued on Feb. 17, was assigned to SEIKO EPSON Corp. (Japan).
"Radiation curable ink jet ink composition and ink jet method" was invented by Naoki Koike (Matsumoto, Japan), Toru Saito (Yamagata, Japan) and Toshiyuki Yoda (Matsumoto, Japan).
According to the abstract* released by the U.S. Patent & Trademark Office: "A radiation curable ink jet ink composition includes vinyl methyl oxazolidinone; and a monomer having at least two vinyl ether groups."
The patent was filed on June 23, 2021, under Application No. 17/355,269.
*For further information, including images, charts and tables, please visit: http://patft.uspto.gov/netacgi/nph-Parser?Sect1=PTO2&Sect2=HITOFF&p=1&u=%2Fnet...