(19)
(11) EP 2 285 451 A2

(12)

(43) Date of publication:
23.02.2011 Bulletin 2011/08

(21) Application number: 09773973.4

(22) Date of filing: 27.05.2009
(51) International Patent Classification (IPC): 
A62B 9/00(2006.01)
A62B 18/08(2006.01)
(86) International application number:
PCT/US2009/045222
(87) International publication number:
WO 2010/002521 (07.01.2010 Gazette 2010/01)
(84) Designated Contracting States:
AT BE BG CH CY CZ DE DK EE ES FI FR GB GR HR HU IE IS IT LI LT LU LV MC MK MT NL NO PL PT RO SE SI SK TR
Designated Extension States:
AL BA RS

(30) Priority: 30.05.2008 US 57533 P
30.05.2008 US 57522 P
22.07.2008 US 177358

(71) Applicant: Scott Technologies, Inc.
Monroe, NC 28110 (US)

(72) Inventors:
  • PARHAM, Michael
    Matthews NC 28104 (US)
  • STAUBS, Amy, E.
    Monroe NC 28005 (US)
  • DING, Yuqing
    Charlotte NC 28277 (US)

(74) Representative: Hedges, Martin Nicholas 
A.A. Thornton & Co. 235 High Holborn
London WC1V 7LE
London WC1V 7LE (GB)

   


(54) DETERMINING EFFLUENT CONCENTRATION PROFILES AND SERVICE LIVES OF AIR PURIFYING RESPIRATOR CARTRIDGES