Assumpta A. G. Bennaars-Eiden,Tonya D. Bonilla,Jodi L. Connell,John J. Schmidt,Andrew W. Vail,Federica Sgolastra
申请号：
US16475258
公开号：
US20190338335A1
申请日:
2017.12.20
申请国别(地区):
US
年份:
2019
代理人:
摘要：
An article is provided. The article comprises a nonwoven substrate having a copolymer grafted thereto, and a dried coating adhered to the substrate. The copolymer comprises interpolymerized monomer units of a quaternary ammonium-containing ligand monomer, an amide monomer, and an oxy monomer. The coating comprises a plurality of test microorganisms. Optionally, the coating further comprises a water-soluble or water-dispersible polymeric binding agent. A process challenge device comprising a body having a hollow channel with said article fixed disposed therein is also provided. Methods of using the article or the process challenge device for determining the efficacy of a disinfection process are also provided.
