US Patent Issued to Henkel on June 3 for "Functionalized Alpha-angelica lactone monomers and polymers obtained therefrom" (German Inventors)

ALEXANDRIA, Va., June 4 -- United States Patent no. 12,319,665, issued on June 3, was assigned to Henkel AG & Co. KGaA (Duesseldorf, Germany).

"Functionalized Alpha-angelica lactone monomers and polymers obtained therefrom" was invented by Andreas Taden (Duesseldorf, Germany), Horst Beck (Neuss, Germany), Adrian Brandt (Dusseldorf, Germany), Kenji Ito (Duesseldorf, Germany), Johannes Gerardus De Vries (Rostock, Germany), Arianna Savini (Rostock, Germany) and Sergey Tin (Rostock, Germany).

According to the abstract* released by the U.S. Patent & Trademark Office: "The present invention is directed to a monomer for chain growth polymerization, in particular anionic polymerization, said monomer having the general formula (EFL)wherein: Ra is ...