Patent Read · August 2026
What the Silver in Antimicrobial Mop Heads Actually Does: Inside US Patent 7645824
An operator's read of US7645824B2 — the silver-copper zeolite ion-exchange chemistry inside antimicrobial cleaning textiles, why silver on its own discolours the article it protects, and how the treated-articles exemption under FIFRA and Health Canada's PMRA separates protecting a mop head from disinfecting a floor.