US 12,171,901 B2
Powdered collagen wound care compositions
Bradley Burnam, Calabasas, CA (US)
Assigned to GLOBAL HEALTH SOLUTIONS, INC., Westlake Village, CA (US)
Filed by GLOBAL HEALTH SOLUTIONS, INC., Westlake Village, CA (US)
Filed on Dec. 22, 2022, as Appl. No. 18/087,128.
Application 18/087,128 is a continuation of application No. 17/589,629, filed on Jan. 31, 2022, granted, now 11,565,020.
Claims priority of provisional application 63/253,525, filed on Oct. 7, 2021.
Claims priority of provisional application 63/143,940, filed on Jan. 31, 2021.
Prior Publication US 2023/0128692 A1, Apr. 27, 2023
This patent is subject to a terminal disclaimer.
Int. Cl. A61L 26/00 (2006.01)
CPC A61L 26/0033 (2013.01) [A61L 26/0057 (2013.01); A61L 2300/606 (2013.01); A61L 2300/802 (2013.01)] 19 Claims
 
1. A collagen wound care composition, the composition comprising:
powdered collagen or powdered collagen-based material; and
a hydrophobic barrier, wherein the hydrophobic barrier at least partially coats the surface of the powdered collagen or powdered collagen-based material;
wherein the powdered collagen or powdered collagen-based material comprises from about 45 weight percent to about 85 weight percent of the collagen wound care composition.