ALEXANDRIA, Va., Jan. 29 -- United States Patent no. 12,209,231, issued on Jan. 28, was assigned to Milliken & Co. (Spartanburg, S.C.).
"Composition comprising hueing agent" was invented by Wesley A. Freund (Simpsonville, S.C.), Richard Lawson (Greer, S.C.), Sanjeev K. Dey (Spartanburg, S.C.) and Nolan Peevy (Roebuck, S.C.).
According to the abstract* released by the U.S. Patent & Trademark Office: "This invention relates to a laundry care composition comprising a laundry care ingredient and a polymeric thiophene hueing agent."
The patent was filed on May 24, 2023, under Application No. 18/201,388.
*For further information, including images, charts and tables, please visit: http://patft.uspto.gov/netacgi/nph-Parser?Sect1=PTO2&Sect2=HITO...