ALEXANDRIA, Va., March 24 -- United States Patent no. 12,583,972, issued on March 24, was assigned to GRANT INDUSTRIES INC. (Elmwood Park, N.J.).
"Non-isocyanate polyurethane elastomers and compositions comprising such elastomers" was invented by Andrew Bernard Mahon (San Francisco), Michael Joseph Isaacman (New York) and Steven Isaacman (Oak Beach, N.Y.).
According to the abstract* released by the U.S. Patent & Trademark Office: "The present disclosure relates to gel compositions of, or containing, a non-isocyanate polyurethane (NIPU) elastomer formed from the reaction of a polycarbonate, where carbonate groups may be cyclic or non-cyclic, and a polyamine, where amines are either primary or secondary, in an optional topically acceptable ...