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Patent Searching and Data


Title:
METHOD FOR PRODUCING POLYPHENYLENE ETHER ETHER KETONE
Document Type and Number:
WIPO Patent Application WO/2013/001763
Kind Code:
A1
Abstract:
Provided is a method for producing a polyphenylene ether ether ketone by subjecting a cyclic polyphenylene ether ether ketone composition, which contains 60 wt.% or more of a cyclic polyphenylene ether ether ketone and which has a melting point of 270°C or lower, to thermal ring-opening polymerization in the presence of a metal alkoxide and/or a metal phenoxide.

Inventors:
OSATO KEIKO (JP)
YAMASHITA KOHEI (JP)
YOKOE MAKITO (JP)
YAMAUCHI KOJI (JP)
Application Number:
PCT/JP2012/004053
Publication Date:
January 03, 2013
Filing Date:
June 22, 2012
Export Citation:
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Assignee:
TORAY INDUSTRIES (JP)
OSATO KEIKO (JP)
YAMASHITA KOHEI (JP)
YOKOE MAKITO (JP)
YAMAUCHI KOJI (JP)
International Classes:
C08G65/40; C07D323/00
Domestic Patent References:
WO2011081080A12011-07-07
Foreign References:
JPH0388828A1991-04-15
JP2010280781A2010-12-16
JP2004051978A2004-02-19
JPS5993724A1984-05-30
Other References:
See also references of EP 2725050A4
MACROMOLECULES, vol. 29, 1996, pages 5502
MACROMOLECULES, vol. 42, 2009, pages 1955
Attorney, Agent or Firm:
TOKKYO GYOMUHOJIN MEISEI INTERNATIONAL PATENT FIRM (JP)
Patent business corporation Akinari international patent firm (JP)
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Claims: