ALEXANDRIA, Va., Aug. 25 -- United States Patent no. 12,715,834, issued on Aug. 25, was assigned to Kao Chemicals GmbH (Emmerich, Germany).
"Ether carboxylic acid composition" was invented by Thomas Myrdek (Emmerich, Germany), Reinout Van der Veen (Emmerich, Germany), Michael Stapels (Emmerich, Germany) and Masakatsu Takahashi (Barbera del Valles, Spain).
According to the abstract* released by the U.S. Patent & Trademark Office: "The present invention relates to a composition comprising at least an ether carboxylic acid. The present invention also relates to the method for obtaining of the composition and to the use of the composition in industrial applications such as engine oil compositions, metal working compositions, lubricant composi...