US 12,404,369 B2
Multi-armed polyoxazolines and compositions, systems and methods pertaining to the same
Joseph T. Delaney, Jr., Minneapolis, MN (US); Paul V. Grosso, Maple Grove, MN (US); John Kummailil, Sherborn, MA (US); Tatyana Dyndikova, Minneapolis, MN (US); and Carey Rehder, Inver Grove Heights, MN (US)
Assigned to Boston Scientific Scimed, Inc., Maple Grove, MN (US)
Filed by Boston Scientific Scimed Inc., Maple Grove, MN (US)
Filed on Sep. 27, 2023, as Appl. No. 18/475,397.
Application 18/475,397 is a continuation of application No. 16/999,787, filed on Aug. 21, 2020, granted, now 11,807,720.
Claims priority of provisional application 62/898,791, filed on Sep. 11, 2019.
Prior Publication US 2024/0026081 A1, Jan. 25, 2024
This patent is subject to a terminal disclaimer.
Int. Cl. C08G 73/02 (2006.01); C08J 3/24 (2006.01); A61L 27/52 (2006.01)
CPC C08G 73/0233 (2013.01) [C08J 3/24 (2013.01); A61L 27/52 (2013.01)] 18 Claims
OG exemplary drawing
 
1. A system comprising (a) a first composition comprising a multi-arm polymer comprising a polyol residue core and three or more polyoxazoline segments having a first end that is covalently attached to the polyol residue core and a second end comprising a moiety that comprises an electrophilic reactive group and (b) a second composition comprising a multifunctional polyamine compound that comprises three or more amine functional groups that are reactive with the reactive groups of the multi-arm polymer.