PLASMA TREATED ELECTRET FILTER MEDIA - Patent 1202789

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EP 1 202 789 A2

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(88)	Date of publication A3:
	21.06.2001

(43)	Date of publication:
	08.05.2002 Bulletin 2002/19

(21)	Application number: 00947386.9

(22)	Date of filing: 14.07.2000

(51)	International Patent Classification (IPC)⁷: B01D 39/16

(86)	International application number:
	PCT/US0019/279

(87)	International publication number:
	WO 0107/144 (01.02.2001 Gazette 2001/05)

(84)	Designated Contracting States:
	AT BE CH CY DE DK ES FI FR GB GR IE IT LI LU MC NL PT SE
	Designated Extension States:
	AL LT LV MK RO SI

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Priority:

21.07.1999 US 359348

(71)	Applicant: HOLLINGSWORTH & VOSE COMPANY
	East Walpole, MA 02032 (US)

(72)	Inventor:
	GAHAN, Richard, E. Wrentham, MA 02093 (US)

(74)	Representative: Casey, Lindsay Joseph
	F. R. Kelly & Co.27 Clyde RoadBallsbridge Dublin 4 Dublin 4 (IE)

(54)	PLASMA TREATED ELECTRET FILTER MEDIA