US Patent Issued to Henkel on Oct. 14 for "Detergent containing a photoactivated stain removal ingredient comprising a colorant-functionalized copolymer" (German, Australian Inventors)

ALEXANDRIA, Va., Oct. 21 -- United States Patent no. 12,441,962, issued on Oct. 14, was assigned to Henkel AG & Co. KGaA (Duesseldorf, Germany).

"Detergent containing a photoactivated stain removal ingredient comprising a colorant-functionalized copolymer" was invented by Kira Neubauer (Wuppertal, Germany), Christian Kropf (Hilden, Germany), Nadia Ledermann (Duisburg, Germany), Christopher Winfried Barner-Kowollik (Gaythorne, Australia), Kai Mundsinger (Milton, Australia) and Brian Tyler Tuten (Milton, Australia).

According to the abstract* released by the U.S. Patent & Trademark Office: "The present invention relates to laundry detergents which contain a cross-linked polymer obtained by a) copolymerizing monomers of general formula (I) a...