US Patent Issued to STRATASYS on March 18 for "Liquid, hybrid UV/VIS radiation curable resin compositions for additive fabrication" (Illinois Inventor)

ALEXANDRIA, Va., March 19 -- United States Patent no. 12,252,561, issued on March 18, was assigned to STRATASYS INC. (Eden Prairie, Minn.).

"Liquid, hybrid UV/VIS radiation curable resin compositions for additive fabrication" was invented by Tai Yeon Lee (Elgin, Ill.).

According to the abstract* released by the U.S. Patent & Trademark Office: "Liquid radiation curable compositions are disclosed which are suitable for hybrid (i.e. cationic and free-radical) polymerization when processed via additive fabrication equipment utilizing sources of actinic radiation with peak spectral intensities in the UV/vis region. According to one aspect, the compositions possess a first photoinitiator that is an iodonium salt of a non-fluorinated borate anio...