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Patent Searching and Data


Title:
DYED FILAMENT YARN HAVING CLEAR HUE
Document Type and Number:
WIPO Patent Application WO/1998/021396
Kind Code:
A1
Abstract:
A colored aromatic polyester filament yarn having a clear hue, wherein the filament comprises an aromatic polyester polymer having a glass transition temperature (Tg) of 65 �C or below and prepared by copolymerizing an aliphatic dicarboxylic acid component and/or an aliphatic diol component, while the whole yarn exhibits a visually homogeneous dyed state despite the presence of dyed spots in the longitudinal direction in each filament constituting the yarn, and the chroma C* value represented by the L*a*b* color space of the yarn dyed with a 1 % (owf) aqueous solution of a disperse dye composed mainly of C.I. Disperse Blue 56 is at least 36.

Inventors:
AOYAMA SAORI (JP)
SUZUKI TOGI (JP)
Application Number:
PCT/JP1997/004045
Publication Date:
May 22, 1998
Filing Date:
November 06, 1997
Export Citation:
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Assignee:
TEIJIN LTD (JP)
AOYAMA SAORI (JP)
SUZUKI TOGI (JP)
International Classes:
D01F6/84; D06P1/00; D06P3/54; (IPC1-7): D06P3/52; D01F6/84
Foreign References:
JPH06173114A1994-06-21
JPS5620626A1981-02-26
JPH08325841A1996-12-10
Other References:
See also references of EP 0892104A4
Attorney, Agent or Firm:
Ishida, Takashi (Toranomon 37 Mori Building 5-1, Toranomon 3-chom, Minato-ku Tokyo 105, JP)
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