Money laundering

2019-03-07 05:07:10

By Barry Fox Bank notes can spread diseases from one person to another, or could even be deliberately contaminated by terrorists. So Textile Biocides of Philadelphia has filed a world patent to address the problem (WO 99/42658). Its answer is to dose the linen and cotton fibres of a note with polyhexamethylene biguanide, an ingredient of contact lens cleaning solutions. The chemical is added to the mix used to treat the note’s surface, where it will kill microorganisms,