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Title:
POLYCARBONATE COPOLYMER
Document Type and Number:
WIPO Patent Application WO/2013/125229
Kind Code:
A1
Abstract:
A polycarbonate copolymer having repeating units of formula (1), the copolymerization ratio represented by Ar2/(Ar1+Ar2) being 30-47 mol%. Ar1 is a group represented by formula (2a) or (2b), and Ar2 is a group represented by formula (3). The variable n, which is the mean number of repetitions, is 1.12 to 2.34.

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Inventors:
HIRATA KENGO (JP)
MORISHITA HIRONOBU (JP)
Application Number:
PCT/JP2013/000975
Publication Date:
August 29, 2013
Filing Date:
February 21, 2013
Export Citation:
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Assignee:
IDEMITSU KOSAN CO (JP)
HIRATA KENGO (JP)
MORISHITA HIRONOBU (JP)
International Classes:
C08G64/18; G03G5/05
Foreign References:
JP2011026577A2011-02-10
JP2007119691A2007-05-17
JP2004354759A2004-12-16
JPH04179961A1992-06-26
JP2011026574A2011-02-10
JP2011026577A2011-02-10
JPH11172003A1999-06-29
JP2005139339A2005-06-02
Other References:
See also references of EP 2818494A4
Attorney, Agent or Firm:
WATANABE, Kihei et al. (JP)
Kihei Watanabe (JP)
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Claims:



 
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