US Patent Issued to JOHN CRANE, UCHICAGO ARGONNE on July 14 for "Low friction coatings" (Illinois Inventors)

ALEXANDRIA, Va., July 14 -- United States Patent no. 12,680,046, issued on July 14, was assigned to JOHN CRANE INC. (Chicago) and UCHICAGO ARGONNE LLC (Chicago).

"Low friction coatings" was invented by Anirudha V. Sumant (Plainfield, Ill.), Kalyan C. Mutyala (Clarendon Hills, Ill.), Jiao Yang (Chicago), Jorge Pacheco (Chicago) and Klaus Meck (Chicago).

According to the abstract* released by the U.S. Patent & Trademark Office: "A dry gas seal assembly for use with a rotating machine that includes a rotating shaft, the seal assembly comprises a seal face bears a solid coating comprising molybdenum disulfide, graphene oxide, and optionally polydopamine, preferably wherein the graphene oxide to molybdenum disulfide ratio is 8:10 to 10:8. A me...