(19)
(11) EP 1 316 157 A2

(12)

(88) Date of publication A3:
13.06.2002

(43) Date of publication:
04.06.2003 Bulletin 2003/23

(21) Application number: 01970683.7

(22) Date of filing: 07.09.2001
(51) International Patent Classification (IPC)7H04B 1/30
(86) International application number:
PCT/US0128/046
(87) International publication number:
WO 0202/1708 (14.03.2002 Gazette 2002/11)
(84) Designated Contracting States:
AT BE CH CY DE DK ES FI FR GB GR IE IT LI LU MC NL PT SE TR
Designated Extension States:
AL LT LV MK RO SI

(30) Priority: 07.09.2000 US 230682 P
02.02.2001 US 265917 P

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

(72) Inventors:
  • LAUBACHER, Daniel, B.
    Wilmington, DE 19807 (US)
  • SHEN, Zhi-Yuan
    Wilmington, DE 19807 (US)
  • PANG, Philip, Shek, Wah
    Media, PA 19063 (US)
  • LAUDER, Alan
    Kenneth Square, PA 19348 (US)

(74) Representative: Jones, Alan John 
CARPMAELS & RANSFORD43 Bloomsbury Square
London, WC1A 2RA
London, WC1A 2RA (GB)

   


(54) CRYOGENIC DEVICES