(19)
(11) EP 0 216 109 A3

(12) EUROPEAN PATENT APPLICATION

(88) Date of publication A3:
19.11.1987 Bulletin 1987/47

(43) Date of publication A2:
01.04.1987 Bulletin 1987/14

(21) Application number: 86111184

(22) Date of filing: 12.08.1986
(84) Designated Contracting States:
DE FR GB

(30) Priority: 23.08.1985 JP 18642985

(71) Applicants:
  • SUMITOMO CHEMICAL COMPANY, LIMITED
     ()
  • JAPAN EXLAN COMPANY, LTD.
     ()

(72) Inventors:
  • Kobashi, Toshiyuki
     ()
  • Takao, Seiji
     ()
  • Takagi, Jun
     ()
  • Sugimoto, Hiroaki
     ()
  • Hayatsu, Kazuo
     ()

   


(54) Polyester fiber


(57) A polyester fiber of a large diameter having a tensile modulus of elasticity of 300 g/d or more can be obtained by melt-spinning a polyester which exhibits anisotropy in its molten state.





Search report