(19)
(11) EP 0 399 397 A3

(12) EUROPEAN PATENT APPLICATION

(88) Date of publication A3:
12.06.1991 Bulletin 1991/24

(43) Date of publication A2:
28.11.1990 Bulletin 1990/48

(21) Application number: 90109451.6

(22) Date of filing: 18.05.1990
(51) International Patent Classification (IPC)5D01D 5/253, D01D 5/34, D01F 1/09
(84) Designated Contracting States:
DE FR GB

(30) Priority: 22.05.1989 US 356051

(71) Applicant: E.I. DU PONT DE NEMOURS AND COMPANY
Wilmington Delaware 19898 (US)

(72) Inventor:
  • Samuelson, Harry Vaughn
    Chadds Ford, Pennsylvania 19317 (US)

(74) Representative: von Kreisler, Alek, Dipl.-Chem. et al
Patentanwälte von Kreisler-Selting-Werner Postfach 10 22 41
50462 Köln
50462 Köln (DE)


(56) References cited: : 
   
       


    (54) Sheath-core spinning of multilobal conductive core filaments


    (57) Multilobal core conductive bicomponent sheath-­core filaments are provided and methods for making the same.





    Search report