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Inventor: Payne; John David
Address: Blackley, GB
No. of patents: 1
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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