Invention Grant
- Patent Title: Methods to detect microorganisms
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Application No.: US15733271Application Date: 2018-12-17
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Publication No.: US11421261B2Publication Date: 2022-08-23
- Inventor: Kelvin J. Witcher , Francois Ahimou , Naiyong Jing , Tonya D. Bonilla , Joshua D. Erickson , Hsi-Chou Liu , Andrew W. Vail
- Applicant: 3M INNOVATIVE PROPERTIES COMPANY
- Applicant Address: US MN St. Paul
- Assignee: 3M INNOVATIVE PROPERTIES COMPANY
- Current Assignee: 3M INNOVATIVE PROPERTIES COMPANY
- Current Assignee Address: US MN St. Paul
- Agent Qiang Han
- International Application: PCT/IB2018/060204 WO 20181217
- International Announcement: WO2019/123217 WO 20190627
- Main IPC: C12Q1/22
- IPC: C12Q1/22 ; C12Q1/34

Abstract:
A method is provided. The method includes providing an article, the article including a nonwoven substrate having a copolymer grafted thereto, the copolymer including interpolymerized monomer units of a quaternary ammonium-containing ligand monomers; an amide monomer; an oxy monomer; and a coating on the nonwoven substrate, the coating including a plurality of test microorganisms, an enzyme or a second substrate; and contacting the article with a detection medium for a period of time.
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