ALEXANDRIA, Va., March 24 -- United States Patent no. 12,583,993, issued on March 24, was assigned to H & S Anlagentechnik GmbH (Sulingen, Germany).
"Recycled polyol" was invented by Valentin Stoychev (Wildau, Germany) and Marin Boyadzhiev (Teltow, Germany).
According to the abstract* released by the U.S. Patent & Trademark Office: "The invention relates to a polyol displaying specific properties which allow it to be identified accessibly as a recycled polyol, particularly as a recycled polyol obtained from a new specific recycling process."
The patent was filed on April 13, 2023, under Application No. 18/134,212.
*For further information, including images, charts and tables, please visit: http://patft.uspto.gov/netacgi/nph-Parser?Sect1...