US Patent Issued to INGEVITY SOUTH CAROLINA on March 17 for "Evaporative fuel vapor emission control systems" (South Carolina Inventors)

ALEXANDRIA, Va., March 17 -- United States Patent no. 12,577,895, issued on March 17, was assigned to INGEVITY SOUTH CAROLINA LLC (North Charleston, S.C.).

"Evaporative fuel vapor emission control systems" was invented by Laurence H. Hiltzik (North Charleston, S.C.), Peter D. McCrae (North Charleston, S.C.), James R. Miller (North Charleston, S.C.) and Roger S. Williams (North Charleston, S.C.).

According to the abstract* released by the U.S. Patent & Trademark Office: "An evaporative emission control canister system comprises an initial adsorbent volume having an effective incremental adsorption capacity at 25deg C. of greater than 35 grams n-butane/L between vapor concentration of 5 vol % and 50 vol % n-butane, and at least one subseque...