https://patentbrief.org/company/ppg-industries Plain-English explanations of patents assigned to PPG Industries, newest first. en-us Fri, 09 Oct 2026 02:10:14 GMT https://patentbrief.org/patent/us/4253922/cathode-electrocatalysts-for-solid-polymer-electrolyte-chlor-alkali-cells This patent describes using a unique carbon-fluorine compound as a catalyst in a special type of electrolysis cell to make chlorine and caustic soda more efficiently by preventing hydrogen gas from forming. Tue, 03 Mar 1981 00:00:00 GMT https://patentbrief.org/patent/us/4253922/cathode-electrocatalysts-for-solid-polymer-electrolyte-chlor-alkali-cells