ALEXANDRIA, Va., July 28 -- United States Patent no. 12,691,536, issued on July 28, was assigned to Solstice Advanced Materials US Inc. (Morris Plains, N.J.).

"Method of forming refrigerant systems" was invented by Nilesh Purohit (Charlotte, N.C.), Kaimi Gao (Charlotte, N.C.), Ronald Vogl (Charlotte, N.C.), Ankit Sethi (Charlotte, N.C.) and Ryan Hulse (Charlotte, N.C.).

According to the abstract* released by the U.S. Patent & Trademark Office: "Methods for forming an improved refrigeration system that includes an existing refrigeration circuit with a refrigerant having a GWP of greater than 1200 which comprises disconnecting the fluid connection between the existing liquid refrigerant from the existing condenser and evaporator between sai...