ALEXANDRIA, Va., July 14 -- United States Patent no. 12,679,915, issued on July 14, was assigned to Synthomer Deutschland GmbH (Marl, Germany).
"Latex for bonding fiber structures" was invented by Alexandra Abele (Marl, Germany), Soren Butz (Marl, Germany), Martin Driever (Marl, Germany) and Michael Karnop (Marl, Germany).
According to the abstract* released by the U.S. Patent & Trademark Office: "The present invention relates to a polymer latex obtained from the emulsion polymerization in aqueous medium of a mixture of ethylenically unsaturated monomers comprising: (a) more than 60 wt. % to 75 wt. % of at least one aliphatic conjugated diene (b) 10 wt. % to 30 wt. % of at least one vinyl aromatic compound; and (c) 0.5 to 5 wt. % of at le...