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Patent Searching and Data


Title:
POLYESTER RESIN COMPOSITION AND A PRODUCTION METHOD THEREFOR
Document Type and Number:
WIPO Patent Application WO/2012/105770
Kind Code:
A3
Abstract:
Disclosed are a copolymeric polyester resin composition having outstanding colour stability (transparency) and a production method therefor. The copolymeric polyester resin composition comprises: between 95 and 99.99 percent by weight of a copolymeric polyester resin having a structure which is obtained by the copolymerisation of a dicarboxylic acid component and a diol component that comprises isosorbide, and in which there is repetition of a dicarboxylic acid moiety derived from the dicarboxylic acid component and a diol moiety derived from the diol component; and between 0.01 and 5 percent by weight of an antioxidant selected from the group consisting of hindered phenol-based antioxidants, phosphite-based antioxidants, thioether-based antioxidants and mixtures thereof.

Inventors:
KIM DONG-JIN (KR)
YOON WON-JAE (KR)
KIM JONG-RYANG (KR)
LEE YOO-JIN (KR)
HWANG SIN-YOUNG (KR)
Application Number:
PCT/KR2012/000669
Publication Date:
December 20, 2012
Filing Date:
January 30, 2012
Export Citation:
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Assignee:
SK CHEMICALS CO LTD (KR)
KIM DONG-JIN (KR)
YOON WON-JAE (KR)
KIM JONG-RYANG (KR)
LEE YOO-JIN (KR)
HWANG SIN-YOUNG (KR)
International Classes:
C08L67/02; C08G63/12; C08K5/13; C08K5/36; C08K5/49
Foreign References:
US6063464A2000-05-16
US5049603A1991-09-17
US6803443B12004-10-12
US4110411A1978-08-29
Other References:
See also references of EP 2671922A4
Attorney, Agent or Firm:
LEE, Sang-Hun (Yeong-Won Bldg. Suite 503739-5, Yeoksam-Dong, Gangnam-Gu, Seoul 135-924, KR)
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Claims: