ALEXANDRIA, Va., June 16 -- United States Patent no. 12,302,899, issued on May 20, was assigned to ISP Investments LLC (Wilmington, Del.).
"Liquid concentrate for preservation" was invented by Stefan Sakulowski (Norderstedt, Germany).
According to the abstract* released by the U.S. Patent & Trademark Office: "The invention relates to a composition, which comprises: a)-From 15 weight % to 25 weight % of 1,2-octanediol, b)-From 15 weight % to 25 weight % of benzoic acid, c)-From 50 weight % to 70 weight % of propylene glycol, wherein the content of aromatic alcohol is less or equal to 5 weight % relative to the weight of the liquid concentrate; its use of a composition, for the preservation of cosmetics products, household products or techn...