ALEXANDRIA, Va., Nov. 25 -- United States Patent no. 12,479,957, issued on Nov. 25, was assigned to CLARIANT INTERNATIONAL LTD (Muttenz, Switzerland).
"Ethoxylated glycerol esters and method for the production thereof" was invented by Felix Hovelmann (Muhldorf, Germany), Hannah Benson (Heppenheim, Germany) and Dirk Leinweber (Kelkheim, Germany).
According to the abstract* released by the U.S. Patent & Trademark Office: "Disclosed herein is a method for preparing ethoxylated glycerol esters (formula (I)) by reacting ethylene oxide with triglycerides (formula (II)) using a calcium catalyst. The catalyst is formed from calcium hydroxide (A), a C3-C40 carboxylic acid (B) (formula (III)), and a strong acid (AC) (pKaless than equal to3) derived...