ALEXANDRIA, Va., Nov. 18 -- United States Patent no. 12,473,511, issued on Nov. 18, was assigned to Henkel AG & Co. KGaA (Duesseldorf, Germany).
"Concentrated flowable washing agent preparation having improved properties" was invented by Inga Kerstin Vockenroth (Duesseldorf, Germany) and Barbara Busch (Neuss, Germany).
According to the abstract* released by the U.S. Patent & Trademark Office: "A flowable washing agent preparation containing, based on the total weight thereof, a) 1 to 7 wt. % of polyacrylic acid; b) 1 to 7 wt. % of polyalkoxylated polyalkyleneimine, which can be obtained by reacting polyalkyleneimines with alkylene oxides; c) 10 to 30 wt. % of non-ionic surfactant; d) less than 20 wt. % of water; wherein the weight ratio o...