US 12,252,841 B2
Durable antimicrobial treatment of textile for use in healthcare environment
Johnson Yiu-Nam Lau, Houston, TX (US); Denise So Bik Chan, Hong Kong (CN); Jiachi Chiou, Hong Kong (CN); Chi Wai Kan, Hong Kong (CN); Kim Hung Lam, Hong Kong (CN); Wai Han Lam, Hong Kong (CN); and Ka Fu Yung, Hong Kong (CN)
Assigned to Avalon Polymills (HK) Limited, Hong Kong (CN)
Appl. No. 17/045,659
Filed by AVALON POLYMILLS (HK) LIMITED, Shatin NT (CN)
PCT Filed Apr. 4, 2019, PCT No. PCT/US2019/025887
§ 371(c)(1), (2) Date Oct. 6, 2020,
PCT Pub. No. WO2019/195616, PCT Pub. Date Oct. 10, 2019.
Claims priority of provisional application 62/654,193, filed on Apr. 6, 2018.
Prior Publication US 2021/0156080 A1, May 27, 2021
Int. Cl. D06M 16/00 (2006.01); A01N 25/02 (2006.01); A01N 25/34 (2006.01); A01N 33/12 (2006.01); A01N 47/44 (2006.01); D06M 10/10 (2006.01); D06M 13/477 (2006.01); D06M 15/00 (2006.01); D06M 101/06 (2006.01)
CPC D06M 16/00 (2013.01) [A01N 25/02 (2013.01); A01N 25/34 (2013.01); A01N 33/12 (2013.01); A01N 47/44 (2013.01); D06M 10/10 (2013.01); D06M 13/477 (2013.01); D06M 15/00 (2013.01); D06M 2101/06 (2013.01); D06M 2200/50 (2013.01); D10B 2401/13 (2013.01); D10B 2509/00 (2013.01); Y10T 442/2525 (2015.04)] 9 Claims
OG exemplary drawing
 
1. A wash-durable antimicrobial textile, comprising:
a textile substrate; and
an antimicrobial composition comprising 5% to 15% v/v polyhexamethylene biguanide, 5% to 10% v/v polyethylene glycol having a molecular weight of 300 Daltons to 1,000 Daltons, and 3% to 8% v/v of a binder,
wherein at least a portion of the antimicrobial composition is chemically bonded to the to the textile substrate, and wherein the wash-durable antimicrobial textile exhibits antibacterial, antiviral, and antifungal properties.