ALEXANDRIA, Va., July 28 -- United States Patent no. 12,692,326, issued on July 28, was assigned to Life Technologies Corp. (Carlsbad, Calif.).
"Polymeric particles" was invented by Per Nils Pontus Lundberg (Strommen, Norway), Geir Fonnum (Fjellhamar, Norway) and Kristian Andersson (Raelingen, Norway).
According to the abstract* released by the U.S. Patent & Trademark Office: "This invention also relates to monodisperse coated hydrogel polymer particles comprising a polymer formed from (a) a hydrophilic vinylic monomer having a log Poct/wat (log P) of less than about 0.6; and (b) a crosslinker comprising at least two vinyl groups; and a coating. Also provided are methods of forming the monodisperse coated hydrogel polymer particles."
The...