| (19) |
 |
|
(11) |
EP 1 489 206 A3 |
| (12) |
EUROPEAN PATENT APPLICATION |
| (88) |
Date of publication A3: |
|
05.01.2005 Bulletin 2005/01 |
| (43) |
Date of publication A2: |
|
22.12.2004 Bulletin 2004/52 |
| (22) |
Date of filing: 18.08.1998 |
|
|
| (84) |
Designated Contracting States: |
|
AT BE CH CY DE DK ES FI FR GB GR IE IT LI LU MC NL PT SE |
| (30) |
Priority: |
18.08.1997 JP 23549297
10.09.1997 JP 24530197
|
| (62) |
Application number of the earlier application in accordance with Art. 76 EPC: |
|
98937854.2 / 1006220 |
| (71) |
Applicant: Asahi Kasei Kabushiki Kaisha |
|
Osaka-shi, Osaka (JP) |
|
| (72) |
Inventors: |
|
- Kato, Jinichiro
Nobeoka-shi, Miyazaki 882-0036 (JP)
- Fujimoto, Katsuhiro
Nobeoka-shi, Miyazaki 882-0036 (JP)
|
| (74) |
Representative: von Kreisler Selting Werner |
|
Patentanwälte Deichmannhaus am Dom Bahnhofsvorplatz 1
50667 Köln
50667 Köln (DE) |
|
| |
|
| (54) |
Polyester fiber and fabric using the same |
(57) A polyester resin is disclosed that satisfies the following conditions (1) - (3):
- (1) the polyester resin comprising a copolyester obtained by copolymerizing terephthalic
acid or dimethyl terephthalate, trimethylene glycol and at least one compound selected
from the group consisting a glycol, an aliphatic or alicyclic dicarboxylic acid and
a poly(alkylene glycol);
- (2) the resin has an intrinsic viscosity of 0.4 to 1.2 being measured at 35 °C with
o-chlorophenol using an Ostwald's viscometer; and
- (3) the resin has a degree of yellow tinting as represented by a b value of -2 to
10.