US Patent Issued to SYMRISE on Sept. 23 for "Core-shell capsules prepared with linear and cyclic aliphatic polyisocyanates" (American, German Inventors)

ALEXANDRIA, Va., Sept. 23 -- United States Patent no. 12,421,480, issued on Sept. 23, was assigned to SYMRISE AG (Holzminden, Germany).

"Core-shell capsules prepared with linear and cyclic aliphatic polyisocyanates" was invented by Patrick Ott (Holzminden, Germany), Kolja Behrens (Polle, Germany), Timothy J. Evans-Lorra (Brooklyn, N.Y.) and John M. Teffenhart (Edison, N.J.).

According to the abstract* released by the U.S. Patent & Trademark Office: "The present invention relates to core-shell capsules prepared with linear and/or branched and cyclic aliphatic polyisocyanates. In particular, the present invention discloses a core-shell capsule, wherein the shell comprises or consists of a polymeric material which is produced or producible b...