	US 11,883,557 B2
	Tunable, controlled-release, urethane-containing elastomers and processes of forming the same
Stephanie Reed, Conshohocken, PA (US); Carissa Smoot, Harleysville, PA (US); Dennis Shull, Phoenixville, PA (US); Todd Crumbling, Perkasie, PA (US); John D'Ottavio, Telford, PA (US); Peter D. Gabriele, Frisco, TX (US); Jeremy J. Harris, Doylestown, PA (US); Charles Brendan Nicholson, Coopersburg, PA (US); and Jared Ely, Quakertown, PA (US)
Assigned to THE SECANT GROUP, LLC, Telford, PA (US)
Filed by THE SECANT GROUP, LLC, Telford, PA (US)
Filed on May 9, 2022, as Appl. No. 17/662,462.
Application 17/662,462 is a continuation of application No. 17/148,130, filed on Jan. 13, 2021, granted, now 11,406,732.
Application 17/148,130 is a continuation of application No. 16/547,175, filed on Aug. 21, 2019, granted, now 10,918,764, issued on Feb. 16, 2021.
Claims priority of provisional application 62/872,793, filed on Jul. 11, 2019.
Claims priority of provisional application 62/720,412, filed on Aug. 21, 2018.
Prior Publication US 2022/0257828 A1, Aug. 18, 2022
This patent is subject to a terminal disclaimer.
Int. Cl. A61L 27/18 (2006.01); A61L 27/54 (2006.01); A61K 31/522 (2006.01); B29C 67/24 (2006.01); B33Y 80/00 (2015.01); B33Y 10/00 (2015.01); B29C 64/10 (2017.01)

CPC A61L 27/18 (2013.01) [A61K 31/522 (2013.01); A61L 27/54 (2013.01); B29C 67/246 (2013.01); B33Y 80/00 (2014.12); B29C 64/10 (2017.08); B33Y 10/00 (2014.12)]

32 Claims

1. A composition comprising poly(glycerol sebacate) urethane, wherein the poly(glycerol sebacate) urethane is formed from a poly(glycerol sebacate) resin reacted with an isocyanate at an isocyanate-to-hydroxyl stoichiometric ratio in the range of 1:0.25 to 1:1.25.