(19)
(11) EP 1 549 481 A2

(12)

(88) Date of publication A3:
29.07.2004

(43) Date of publication:
06.07.2005 Bulletin 2005/27

(21) Application number: 03776324.0

(22) Date of filing: 10.10.2003
(51) International Patent Classification (IPC)7B29C 59/16
(86) International application number:
PCT/US2003/032313
(87) International publication number:
WO 2004/033190 (22.04.2004 Gazette 2004/17)
(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 PT RO SE SI SK TR
Designated Extension States:
AL LT LV MK

(30) Priority: 11.10.2002 US 417766 P

(71) Applicant: E. I. du Pont de Nemours and Company
Wilmington,Delaware 19898 (US)

(72) Inventor:
  • JAGOTA, Anand
    Wilmington, DE 19803 (US)

(74) Representative: Matthews, Derek Peter 
Frank B. Dehn & Co.,179 Queen Victoria Street
London EC4V 4EL
London EC4V 4EL (GB)

   


(54) FILM HAVING A PATTERNED FIBRILLAR SURFACE, AND METHOD AND APPARATUS FOR MAKING THE FILM