ALEXANDRIA, Va., Feb. 24 -- United States Patent no. 12,560,568, issued on Feb. 24, was assigned to Hamilton Bonaduz AG (Bonaduz, Switzerland).
"Combination electrode having a hydrogel diaphragm" was invented by Theo Gaupp (Untervaz, Switzerland).
According to the abstract* released by the U.S. Patent & Trademark Office: "A combination electrode includes a working electrode, a reference electrode, a hydrogel diaphragm, an outer tube and an inner tube. The working electrode is disposed in the inner tube. The reference electrode is disposed in a reference chamber formed between the inner tube and the outer tube. The hydrogel diaphragm seals the opening between an end of the outer tube and the inner tube when the hydrogel swells upon coming ...