ALEXANDRIA, Va., April 15 -- United States Patent no. 12,600,706, issued on April 14, was assigned to NAN YA PLASTICS Corp. (Taipei, Taiwan).
"Method for manufacturing low-viscosity hardener" was invented by Te-Chao Liao (Taipei, Taiwan), Jung-Jen Chuang (Taipei, Taiwan), Chung-Yu Chen (Taipei, Taiwan) and Jung-Tsu Wu (Taipei, Taiwan).
According to the abstract* released by the U.S. Patent & Trademark Office: "A method for manufacturing a low-viscosity hardener is provided. The method includes the followings steps: providing a hardener crude product; and subjecting the hardener crude product and an alkaline catalyst to an isomerization reaction, so as to obtain the low-viscosity hardener. The hardener crude product contains 3-methyltetrah...