ALEXANDRIA, Va., June 12 -- United States Patent no. 12,297,474, issued on May 13, was assigned to Conopco Inc. (Englewood Cliffs, N.J.).
"Process to produce mono-rhamnolipids" was invented by Natalia Eliza Iyke Domeradzka (Liverpool, Great Britain), Dietmar Andreas Lang (Liverpool, Great Britain), Neil James Parry (Tarporley, Great Britain) and Mark Lawrence Thompson (Ellesmere Port, Great Britain).
According to the abstract* released by the U.S. Patent & Trademark Office: "The invention concerns a process to convert di-rhamnolipid to mono-rhamnolipid comprising the following process steps: -(a) contact of a starting di-rhamnolipid material with an Alpha-L-rhamnosidase enzyme which is immobilised on a support; (b) separation of the produ...