US 11,851,514 B2
Inverse Ugelstad particles
Geir Fonnum, Oslo (NO); Nils Pontus Lundberg, Strommen (NO); Muhammed Talha Gokmen, Fjellhamar (NO); Synne Larsen, Oslo (NO); Wilhelm Glomm, Malvik (NO); Heidi Johnsen, Trondheim (NO); Ruth Schmid, Tiller (NO); and Lars Kilaas, Trondheim (NO)
Assigned to Life Technologies AS, Oslo (NO)
Filed by LIFE TECHNOLOGIES AS, Carlsbad, CA (US)
Filed on Aug. 27, 2021, as Appl. No. 17/460,058.
Application 17/460,058 is a continuation of application No. 17/066,326, filed on Oct. 8, 2020, granted, now 11,130,833.
Application 17/066,326 is a continuation of application No. 15/745,620, granted, now 10,836,854, issued on Nov. 17, 2020, previously published as PCT/EP2016/067218, filed on Jul. 19, 2016.
Claims priority of application No. 1512725 (GB), filed on Jul. 20, 2015.
Prior Publication US 2022/0056184 A1, Feb. 24, 2022
Int. Cl. C08F 265/10 (2006.01); C08F 120/54 (2006.01); C08F 265/06 (2006.01)
CPC C08F 265/10 (2013.01) [C08F 120/54 (2013.01); C08F 265/06 (2013.01)] 15 Claims
 
1. A method of forming monodisperse seed particles comprising:
dissolving N,N-dimethylacrylamide, a stabilizer, a radical initiator and a chain transfer agent in an organic solvent to form a reaction mixture; and
heating the reaction mixture to activate the initiator, thereby forming the monodisperse seed particles.