US Patent Issued to Honeywell International on Sept. 23 for "Method of forming refrigerant systems" (North Carolina Inventors)

ALEXANDRIA, Va., Sept. 23 -- United States Patent no. 12,422,176, issued on Sept. 23, was assigned to Honeywell International Inc. (Charlotte, N.C.).

"Method of forming refrigerant systems" was invented by Wissam Rached (Charlotte, N.C.), Pawel Wisnik (Charlotte, N.C.), Kaimi Gao (Charlotte, N.C.), Nilesh Purohit (Charlotte, N.C.), Ankit Sethi (Charlotte, N.C.) and Jean De Bernardi (Charlotte, N.C.).

According to the abstract* released by the U.S. Patent & Trademark Office: "Methods for improving a refrigeration systems comprising modifying the system and replacing existing refrigerant with a replacement refrigerant comprising: (1) at least about 50% by weight of R1234ze(E); (2) greater than 0% to about 11% of HFC-134a, HFC-134, HFC-227ea...