Title:
N-PHENYLMALEIMIDE COMPOUND AND COPOLYMER COMPOSITION OBTAINED USING SAME
Document Type and Number:
WIPO Patent Application WO/2012/128255
Kind Code:
A1
Abstract:
The present invention provides an N-phenylmaleimide compound which is N-phenylmaleimide that contains an impurity in an amount up to a specific level and which, when used as at least one component of the monomers to be copolymerized, can yield a copolymer with improved quality. This N-phenylmaleimide compound contains 0.1wt% or less of N-(2,5-dioxo-1-phenyl-3- pyrrolidinyl)-N-phenylmaleamic acid (PPMA) and/or 0.3wt% or less of N-phenylfumaramic acid (PFA).
Inventors:
TAKAKI HIROYUKI (JP)
Application Number:
PCT/JP2012/057029
Publication Date:
September 27, 2012
Filing Date:
March 19, 2012
Export Citation:
Assignee:
NIPPON CATALYTIC CHEM IND (JP)
TAKAKI HIROYUKI (JP)
TAKAKI HIROYUKI (JP)
International Classes:
C07D207/448; C08F222/40; C08L35/00; C08L55/00
Foreign References:
JPH0525129A | 1993-02-02 | |||
JPH01283264A | 1989-11-14 | |||
JPH01250348A | 1989-10-05 | |||
JPH0356463A | 1991-03-12 | |||
JPH06135931A | 1994-05-17 | |||
JPH05140095A | 1993-06-08 | |||
JPH0228150A | 1990-01-30 | |||
JPS6277364A | 1987-04-09 | |||
JPH0827108A | 1996-01-30 | |||
JPH0525129A | 1993-02-02 | |||
US20050182260A1 | 2005-08-18 | |||
JPH0356463A | 1991-03-12 | |||
JPH04243864A | 1992-08-31 | |||
JPH04295462A | 1992-10-20 | |||
JPH05140095A | 1993-06-08 | |||
JPH04221365A | 1992-08-11 | |||
JPH04290868A | 1992-10-15 | |||
JPH06184105A | 1994-07-05 | |||
JP2009126866A | 2009-06-11 | |||
JPH06135931A | 1994-05-17 |
Other References:
See also references of EP 2690116A4
Attorney, Agent or Firm:
HATTA & ASSOCIATES (JP)
Hatta international patent business corporation (JP)
Hatta international patent business corporation (JP)
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