US Patent Issued to L'Air Liquide Societe Anonyme Pour l'Etude et l'Exploitation des Procedes Georges Claude on Nov. 3 for "Method and apparatus for separating a flow rich in carbon dioxide by distillation to produce liquid carbon dioxide" (French Inventors)

ALEXANDRIA, Va., Nov. 3 -- United States Patent no. 12,780,668, issued on Nov. 3, was assigned to L'Air Liquide Societe Anonyme Pour l'Etude et l'Exploitation des Procedes Georges Claude (Paris).

"Method and apparatus for separating a flow rich in carbon dioxide by distillation to produce liquid carbon dioxide" was invented by Michael Tran (Champigny sur Marne, France) and Mathieu Leclerc (Champigny sur Marne, France).

According to the abstract* released by the U.S. Patent & Trademark Office: "An apparatus for the separation of a flow containing carbon dioxide by distillation comprising a heat exchange means, a distillation column, means for sending the flow to be cooled in the heat exchange means down to a first intermediate temperature ...