US 11,890,344 B2
One-step processing of hydrogels for mechanically robust and chemically desired features
Sarah Mayes, Austin, TX (US); and Christine Schmidt, Gainesville, FL (US)
Assigned to Board of Regents, The University of Texas System, Austin, TX (US)
Filed by Board of Regents, The University of Texas System, Austin, TX (US)
Filed on Feb. 11, 2022, as Appl. No. 17/669,455.
Application 17/669,455 is a continuation of application No. 16/358,948, filed on Mar. 20, 2019, granted, now 11,246,937.
Application 16/358,948 is a continuation of application No. 14/604,298, filed on Jan. 23, 2015, granted, now 10,279,042, issued on May 7, 2019.
Application 14/604,298 is a continuation of application No. 13/269,366, filed on Oct. 7, 2011, granted, now 8,946,194, issued on Feb. 3, 2015.
Claims priority of provisional application 61/391,410, filed on Oct. 8, 2010.
Prior Publication US 2022/0160877 A1, May 26, 2022
This patent is subject to a terminal disclaimer.
Int. Cl. A61K 47/36 (2006.01); A61K 31/738 (2006.01)
CPC A61K 47/36 (2013.01) [A61K 31/738 (2013.01)] 20 Claims
 
1. An apparatus comprising:
hyaluronic acid included in a hydrogel; and
alginate included in the hydrogel;
wherein (a) the alginate is formed around the hyaluronic acid, (b) the hyaluronic acid and the alginate are formed around a network of pores that are filled with a material; (c) the material includes at least one of additional hyaluronic acid, additional alginate, a drug, a growth factor, a hormone, a protein, or combinations thereof;
wherein the hydrogel is substantially dehydrated.