US Patent Issued to QUADRATIC 3D on Aug. 25 for "Methods of forming an object in a volume of a photohardenable composition, photohardenable compositions, and photoinitiators" (Massachusetts Inventors)

ALEXANDRIA, Va., Aug. 25 -- United States Patent no. 12,715,998, issued on Aug. 25, was assigned to QUADRATIC 3D INC. (Charlestown, Mass.).

"Methods of forming an object in a volume of a photohardenable composition, photohardenable compositions, and photoinitiators" was invented by Gavin R. Kiel (Cambridge, Mass.), Samuel N. Sanders (Arlington, Mass.) and Elango Kumarasamy (Arlington, Mass.).

According to the abstract* released by the U.S. Patent & Trademark Office: "The present invention includes methods for forming an object in a volume including a photohardenable composition described herein that includes a photohardenable resin component and a photoswitchable photoinitiator comprising a P-type photochromic molecule. The present invent...