(19)
(11) EP 0 514 084 A3

(12) EUROPEAN PATENT APPLICATION

(88) Date of publication A3:
04.08.1993 Bulletin 1993/31

(43) Date of publication A2:
19.11.1992 Bulletin 1992/47

(21) Application number: 92304128.9

(22) Date of filing: 07.05.1992
(51) International Patent Classification (IPC)5D01D 5/34, D01F 8/14
(84) Designated Contracting States:
AT BE CH DE DK ES FR GB GR IT LI LU NL PT SE

(30) Priority: 15.05.1991 US 703438

(71) Applicant: HOECHST CELANESE CORPORATION
Somerville, N.J. 08876 (US)

(72) Inventors:
  • Nguyen, Hung Manh
    Belmont, North Carolina (US)
  • Davies, Barrie Linton
    Weddington, North Carolina (US)

(74) Representative: De Minvielle-Devaux, Ian Benedict Peter et al
CARPMAELS & RANSFORD 43, Bloomsbury Square
London WC1A 2RA
London WC1A 2RA (GB)


(56) References cited: : 
   
       


    (54) Method and apparatus for spinning bicomponent filaments and products produced therefrom


    (57) A method and apparatus for spinning eccentric bicomponent sheath/core filaments using a sheath polymer of polyester having a low intrinsic viscosity and a core polymer having a higher intrinsic viscosity.







    Search report