US Patent Issued to Evonik Operations on Feb. 17 for "N-heptyl-glyceryl ether and synergistically active preservatives" (German Inventors)

ALEXANDRIA, Va., Feb. 17 -- United States Patent no. 12,551,421, issued on Feb. 17, was assigned to Evonik Operations GmbH (Essen, Germany).

"N-heptyl-glyceryl ether and synergistically active preservatives" was invented by Kathrin Daniela Brandt (Duesseldorf, Germany), Jan Janichen (Hamburg, Germany), Michael Kinder (Neuenkirchen, Germany), Alexander Thiemann (Hasloh, Germany), Ellen Schmitt (Hamburg, Germany), Jessica Scholze (Stelle, Germany) and Sabine Steinmetzer (Wiesbaden, Germany).

According to the abstract* released by the U.S. Patent & Trademark Office: "A composition contains n-heptyl-glyceryl ether and at least one further carefully chosen and synergistically active preservative."

The patent was filed on Dec. 13, 2021, under ...