ALEXANDRIA, Va., Sept. 15 -- United States Patent no. 12,735,380, issued on Sept. 15, was assigned to Align Technology Inc. (San Jose, Calif.).
"Synthesis of para-alkylated syringyl (meth)acrylate derivatives and photopolymerizable compositions for additive manufacturing in dental applications" was invented by Umesh Upendra Choudhary (Santa Cruz, Calif.) and Jessica Kalay Su (San Jose, Calif.).
According to the abstract* released by the U.S. Patent & Trademark Office: "The present disclosure provides polymerizable monomers which may be used as reactive diluents in additive manufacturing. The polymerizable monomers may have low vapor pressures and may be compatible with a range of low glass transition temperature oligomers."
The patent wa...