(19)
(11) EP 1 617 930 A1

(12)

(43) Date of publication:
25.01.2006 Bulletin 2006/04

(21) Application number: 04759835.4

(22) Date of filing: 13.04.2004
(51) International Patent Classification (IPC): 
B01D 39/20(1968.09)
(86) International application number:
PCT/US2004/011295
(87) International publication number:
WO 2004/094038 (04.11.2004 Gazette 2004/45)
(84) Designated Contracting States:
AT BE BG CH CY CZ DE DK EE ES FI FR GB GR HU IE IT LI LU MC NL PL PT RO SE SI SK TR
Designated Extension States:
AL HR LT LV MK

(30) Priority: 18.04.2003 US 463870 P
12.04.2004 US 822440

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

(72) Inventors:
  • CHOI, Wai, Ming
    West Newton, MA 02465 (US)
  • LIFSHUTZ, Norman
    Nashua, NH 03062 (US)

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

   


(54) LOW DENSITY NONWOVEN GLASS FIBER WEB