(19)
(11) EP 1 739 115 A8

(12) CORRECTED EUROPEAN PATENT APPLICATION
published in accordance with Art. 158(3) EPC

(15) Correction information:
Corrected version no 1 (W1 A1)

(48) Corrigendum issued on:
16.05.2007 Bulletin 2007/20

(43) Date of publication:
03.01.2007 Bulletin 2007/01

(21) Application number: 05729426.6

(22) Date of filing: 12.04.2005
(51) International Patent Classification (IPC): 
C08G 73/22(2006.01)
 C08G 75/32(2006.01)
(86) International application number:
PCT/JP2005/007361
(87) International publication number:
WO 2005/100442 (27.10.2005 Gazette 2005/43)
(84) Designated Contracting States:
AT BE BG CH CY CZ DE DK EE ES FI FR GB GR HU IE IS IT LI LT LU MC NL PL PT RO SE SI SK TR

(30) Priority: 14.04.2004 JP 2004118799
25.10.2004 JP 2004309696
07.02.2005 JP 2005030239

(71) Applicants:
  • TEIJIN LIMITED
    Osaka-shi Osaka 541-0054 (JP)
  • Teijin Techno Products Limited
    Osaka-shi, Osaka 541-0054 (JP)

(72) Inventors:
  • CHOKAI, Masayuki, Iwakuni Research Center, Teijin Limited
    Iwakuni-shi, Yamaguchi 740-0014 (JP)
  • DE WEIJER, A.P., Iwakuni Research Center, Teijin Limited
    Iwakuni-shi, Yamaguchi 740-0014 (JP)
  • KUWAHARA K., Iwakuni Research Center, Teijin Limited
    Iwakuni-shi, Yamaguchi 740-0014 (JP)
  • MATSUMURA, S., Iwakuni Research Center, Teijin Limited
    Iwakuni-shi, Yamaguchi 740-0014 (JP)

(74) Representative: Heimann, Anette 
CPW GmbH, Kasinostrasse 19-21
42103 Wuppertal
42103 Wuppertal (DE)

   


(54) RIGID HETEROCYCLIC POLYMER, METHOD FOR PRODUCING SAME, AND FIBER


(57) There are provided a rigid heterocyclic polymer comprising rigid recurring units such as units represented by the following formulae (a) and (b):



wherein X is O, S or NH,
a production process thereof, and fibers comprising the polymer.