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Payne; John David
Blackley, GB
No. of patents:

Patent Number Title Of Patent Date Issued
7285157 Air filter October 23, 2007
An air-filter for a circulating and/or recirculating air system using a filter medium containing a microbiologically effective amount of a polymeric biguanide or salt thereof. Also claimed is a method for reducing odors and/or air-borne micro-organisms in a circulating or recirculati

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