US 11,938,145 B2
Low endotoxin fucan compositions, systems, and methods
Christopher Michael Kevin Springate, Richmond (CA); Ian Millet, Richmond (CA); Sailesh Haresh Daswani, Richmond (CA); Hesong Sun, Richmond (CA); Aileen Shao Ting Yang, Richmond (CA); and Hoi Ting Wong, Richmond (CA)
Assigned to ARC Medical Inc., Richmond (CA)
Appl. No. 17/260,266
Filed by ARC Medical Devices Inc., Richmond (CA)
PCT Filed Jul. 24, 2019, PCT No. PCT/CA2019/051026
§ 371(c)(1), (2) Date Jan. 14, 2021,
PCT Pub. No. WO2020/019077, PCT Pub. Date Jan. 30, 2020.
Claims priority of provisional application 62/861,235, filed on Jun. 13, 2019.
Claims priority of provisional application 62/861,223, filed on Jun. 13, 2019.
Claims priority of provisional application 62/861,228, filed on Jun. 13, 2019.
Claims priority of provisional application 62/793,654, filed on Jan. 17, 2019.
Claims priority of provisional application 62/793,514, filed on Jan. 17, 2019.
Claims priority of provisional application 62/755,318, filed on Nov. 2, 2018.
Claims priority of provisional application 62/755,328, filed on Nov. 2, 2018.
Claims priority of provisional application 62/755,311, filed on Nov. 2, 2018.
Claims priority of provisional application 62/722,135, filed on Aug. 23, 2018.
Claims priority of provisional application 62/722,137, filed on Aug. 23, 2018.
Claims priority of provisional application 62/713,413, filed on Aug. 1, 2018.
Claims priority of provisional application 62/713,392, filed on Aug. 1, 2018.
Claims priority of provisional application 62/713,399, filed on Aug. 1, 2018.
Claims priority of provisional application 62/711,372, filed on Jul. 27, 2018.
Claims priority of provisional application 62/711,364, filed on Jul. 27, 2018.
Claims priority of provisional application 62/711,335, filed on Jul. 27, 2018.
Prior Publication US 2021/0299159 A1, Sep. 30, 2021
Int. Cl. A61K 31/737 (2006.01); A61K 47/02 (2006.01); A61P 41/00 (2006.01); C08B 37/00 (2006.01)
CPC A61K 31/737 (2013.01) [A61K 47/02 (2013.01); A61P 41/00 (2018.01); C08B 37/0003 (2013.01); C08B 37/0063 (2013.01)] 5 Claims
 
1. A fucan-low endotoxin composition comprising less than about 0.2 endotoxin units per milligram of the fucan, wherein the fucan comprises an acetyl content of substantially 0% w/w when measured by 2D 1H-13C heteronuclear multiple quantum coherence at 70° C. with solvent signal suppression on a 600 MHz spectrometer equipped with 5-mm cold probe, in the range from 10-30 ppm in the carbon dimensions, in 8 increments of 256-512 scans each.